'cc-by-1.0' => 'cc-by-1.0',
      'cc-by-1.0-fi' => 'cc-by-1.0-fi',
      'cc-by-1.0-il' => 'cc-by-1.0-il',
      'cc-by-1.0-nl' => 'cc-by-1.0-nl',
      'cc-by-2.0' => 'cc-by-2.0',
      'cc-by-2.0-at' => 'cc-by-2.0-at',
      'cc-by-2.0-au' => 'cc-by-2.0-au',
      'cc-by-2.0-be' => 'cc-by-2.0-be',
      'cc-by-2.0-br' => 'cc-by-2.0-br',
      'cc-by-2.0-ca' => 'cc-by-2.0-ca',
      'cc-by-2.0-cl' => 'cc-by-2.0-cl',
      'cc-by-2.0-de' => 'cc-by-2.0-de',
      'cc-by-2.0-es' => 'cc-by-2.0-es',
      'cc-by-2.0-fr' => 'cc-by-2.0-fr',
      'cc-by-2.0-hr' => 'cc-by-2.0-hr',
      'cc-by-2.0-it' => 'cc-by-2.0-it',
      'cc-by-2.0-jp' => 'cc-by-2.0-jp',
      'cc-by-2.0-kr' => 'cc-by-2.0-kr',
      'cc-by-2.0-nl' => 'cc-by-2.0-nl',
      'cc-by-2.0-pl' => 'cc-by-2.0-pl',
      'cc-by-2.0-stma' => 'cc-by-2.0',
      'cc-by-2.0-tw' => 'cc-by-2.0-tw',
      'cc-by-2.0-uk' => 'cc-by-2.0-uk',
      'cc-by-2.0-za' => 'cc-by-2.0-za',
      'cc-by-2.1' => 'cc-by-2.1',
      'cc-by-2.1-au' => 'cc-by-2.1-au',
      'cc-by-2.1-es' => 'cc-by-2.1-es',
      'cc-by-2.1-jp' => 'cc-by-2.1-jp',
      'cc-by-2.5' => 'cc-by-2.5',
      'cc-by-2.5-ar' => 'cc-by-2.5-ar',
      'cc-by-2.5-au' => 'cc-by-2.5-au',
      'cc-by-2.5-bg' => 'cc-by-2.5-bg',
      'cc-by-2.5-br' => 'cc-by-2.5-br',
      'cc-by-2.5-ca' => 'cc-by-2.5-ca',
      'cc-by-2.5-ch' => 'cc-by-2.5-ch',
      'cc-by-2.5-cn' => 'cc-by-2.5-cn',
      'cc-by-2.5-co' => 'cc-by-2.5-co',
      'cc-by-2.5-dk' => 'cc-by-2.5-dk',
      'cc-by-2.5-es' => 'cc-by-2.5-es',
      'cc-by-2.5-hr' => 'cc-by-2.5-hr',
      'cc-by-2.5-hu' => 'cc-by-2.5-hu',
      'cc-by-2.5-il' => 'cc-by-2.5-il',
      'cc-by-2.5-in' => 'cc-by-2.5-in',
      'cc-by-2.5-it' => 'cc-by-2.5-it',
      'cc-by-2.5-mk' => 'cc-by-2.5-mk',
      'cc-by-2.5-mx' => 'cc-by-2.5-mx',
      'cc-by-2.5-my' => 'cc-by-2.5-my',
      'cc-by-2.5-nl' => 'cc-by-2.5-nl',
      'cc-by-2.5-pe' => 'cc-by-2.5-pe',
      'cc-by-2.5-pl' => 'cc-by-2.5-pl',
      'cc-by-2.5-pt' => 'cc-by-2.5-pt',
      'cc-by-2.5-se' => 'cc-by-2.5-se',
      'cc-by-2.5-si' => 'cc-by-2.5-si',
      'cc-by-2.5-tw' => 'cc-by-2.5-tw',
      'cc-by-2.5-za' => 'cc-by-2.5-za',
      'cc-by-3.0' => 'cc-by-3.0',
      'cc-by-3.0-at' => 'cc-by-3.0-at',
      'cc-by-3.0-au' => 'cc-by-3.0-au',
      'cc-by-3.0-bg' => 'cc-by-3.0-bg',
      'cc-by-3.0-br' => 'cc-by-3.0-br',
      'cc-by-3.0-ch' => 'cc-by-3.0-ch',
      'cc-by-3.0-cl' => 'cc-by-3.0-cl',
      'cc-by-3.0-cn' => 'cc-by-3.0-cn',
      'cc-by-3.0-cr' => 'cc-by-3.0-cr',
      'cc-by-3.0-cz' => 'cc-by-3.0-cz',
      'cc-by-3.0-de' => 'cc-by-3.0-de',
      'cc-by-3.0-ec' => 'cc-by-3.0-ec',
      'cc-by-3.0-ee' => 'cc-by-3.0-ee',
      'cc-by-3.0-eg' => 'cc-by-3.0-eg',
      'cc-by-3.0-es' => 'cc-by-3.0-es',
      'cc-by-3.0-fr' => 'cc-by-3.0-fr',
      'cc-by-3.0-gr' => 'cc-by-3.0-gr',
      'cc-by-3.0-gt' => 'cc-by-3.0-gt',
      'cc-by-3.0-hk' => 'cc-by-3.0-hk',
      'cc-by-3.0-hr' => 'cc-by-3.0-hr',
      'cc-by-3.0-ie' => 'cc-by-3.0-ie',
      'cc-by-3.0-it' => 'cc-by-3.0-it',
      'cc-by-3.0-lu' => 'cc-by-3.0-lu',
      'cc-by-3.0-nl' => 'cc-by-3.0-nl',
      'cc-by-3.0-no' => 'cc-by-3.0-no',
      'cc-by-3.0-nz' => 'cc-by-3.0-nz',
      'cc-by-3.0-ph' => 'cc-by-3.0-ph',
      'cc-by-3.0-pl' => 'cc-by-3.0-pl',
      'cc-by-3.0-pr' => 'cc-by-3.0-pr',
      'cc-by-3.0-pt' => 'cc-by-3.0-pt',
      'cc-by-3.0-ro' => 'cc-by-3.0-ro',
      'cc-by-3.0-rs' => 'cc-by-3.0-rs',
      'cc-by-3.0-sg' => 'cc-by-3.0-sg',
      'cc-by-3.0-th' => 'cc-by-3.0-th',
      'cc-by-3.0-tw' => 'cc-by-3.0-tw',
      'cc-by-3.0-ug' => 'cc-by-3.0-ug',
      'cc-by-3.0-us' => 'cc-by-3.0-us',
      'cc-by-3.0-vn' => 'cc-by-3.0-vn',
      'cc-by-nc-sa-3.0-de' => 'cc-by-nc-sa-3.0-de',
      'cc-by-sa-1.0' => 'cc-by-sa-1.0',
      'cc-by-sa-1.0-fi' => 'cc-by-sa-1.0-fi',
      'cc-by-sa-1.0-il' => 'cc-by-sa-1.0-il',
      'cc-by-sa-1.0-nl' => 'cc-by-sa-1.0-nl',
      'cc-by-sa-1.0+' => 'cc-by-sa-1.0',
      'cc-by-sa-2.0' => 'cc-by-sa-2.0',
      'cc-by-sa-2.0-at' => 'cc-by-sa-2.0-at',
      'cc-by-sa-2.0-au' => 'cc-by-sa-2.0-au',
      'cc-by-sa-2.0-be' => 'cc-by-sa-2.0-be',
      'cc-by-sa-2.0-br' => 'cc-by-sa-2.0-br',
      'cc-by-sa-2.0-ca' => 'cc-by-sa-2.0-ca',
      'cc-by-sa-2.0-cl' => 'cc-by-sa-2.0-cl',
      'cc-by-sa-2.0-de' => 'cc-by-sa-2.0-de',
      'cc-by-sa-2.0-es' => 'cc-by-sa-2.0-es',
      'cc-by-sa-2.0-fr' => 'cc-by-sa-2.0-fr',
      'cc-by-sa-2.0-hr' => 'cc-by-sa-2.0-hr',
      'cc-by-sa-2.0-it' => 'cc-by-sa-2.0-it',
      'cc-by-sa-2.0-jp' => 'cc-by-sa-2.0-jp',
      'cc-by-sa-2.0-kr' => 'cc-by-sa-2.0-kr',
      'cc-by-sa-2.0-nl' => 'cc-by-sa-2.0-nl',
      'cc-by-sa-2.0-pl' => 'cc-by-sa-2.0-pl',
      'cc-by-sa-2.0-tw' => 'cc-by-sa-2.0-tw',
      'cc-by-sa-2.0-uk' => 'cc-by-sa-2.0-uk',
      'cc-by-sa-2.0-za' => 'cc-by-sa-2.0-za',
      'cc-by-sa-2.1' => 'cc-by-sa-2.1',
      'cc-by-sa-2.1-au' => 'cc-by-sa-2.1-au',
      'cc-by-sa-2.1-es' => 'cc-by-sa-2.1-es',
      'cc-by-sa-2.1-jp' => 'cc-by-sa-2.1-jp',
      'cc-by-sa-2.5' => 'cc-by-sa-2.5',
      'cc-by-sa-2.5 iucn' => 'cc-by-sa-2.5',
      'cc-by-sa-2.5-ar' => 'cc-by-sa-2.5-ar',
      'cc-by-sa-2.5-au' => 'cc-by-sa-2.5-au',
      'cc-by-sa-2.5-bg' => 'cc-by-sa-2.5-bg',
      'cc-by-sa-2.5-br' => 'cc-by-sa-2.5-br',
      'cc-by-sa-2.5-ca' => 'cc-by-sa-2.5-ca',
      'cc-by-sa-2.5-ch' => 'cc-by-sa-2.5-ch',
      'cc-by-sa-2.5-cn' => 'cc-by-sa-2.5-cn',
      'cc-by-sa-2.5-co' => 'cc-by-sa-2.5-co',
      'cc-by-sa-2.5-dk' => 'cc-by-sa-2.5-dk',
      'cc-by-sa-2.5-es' => 'cc-by-sa-2.5-es',
      'cc-by-sa-2.5-hr' => 'cc-by-sa-2.5-hr',
      'cc-by-sa-2.5-hu' => 'cc-by-sa-2.5-hu',
      'cc-by-sa-2.5-il' => 'cc-by-sa-2.5-il',
      'cc-by-sa-2.5-in' => 'cc-by-sa-2.5-in',
      'cc-by-sa-2.5-it' => 'cc-by-sa-2.5-it',
      'cc-by-sa-2.5-mk' => 'cc-by-sa-2.5-mk',
      'cc-by-sa-2.5-mx' => 'cc-by-sa-2.5-mx',
      'cc-by-sa-2.5-my' => 'cc-by-sa-2.5-my',
      'cc-by-sa-2.5-nl' => 'cc-by-sa-2.5-nl',
      'cc-by-sa-2.5-pe' => 'cc-by-sa-2.5-pe',
      'cc-by-sa-2.5-pl' => 'cc-by-sa-2.5-pl',
      'cc-by-sa-2.5-pt' => 'cc-by-sa-2.5-pt',
      'cc-by-sa-2.5-scotland' => 'cc-by-sa-2.5-scotland',
      'cc-by-sa-2.5-se' => 'cc-by-sa-2.5-se',
      'cc-by-sa-2.5-si' => 'cc-by-sa-2.5-si',
      'cc-by-sa-2.5-tw' => 'cc-by-sa-2.5-tw',
      'cc-by-sa-2.5-za' => 'cc-by-sa-2.5-za',
      'cc-by-sa-2.5,2.0,1.0' => 'cc-by-sa-2.5',
      'cc-by-sa-3.0' => 'cc-by-sa-3.0',
      'cc-by-sa-3.0-at' => 'cc-by-sa-3.0-at',
      'cc-by-sa-3.0-au' => 'cc-by-sa-3.0-au',
      'cc-by-sa-3.0-br' => 'cc-by-sa-3.0-br',
      'cc-by-sa-3.0-ch' => 'cc-by-sa-3.0-ch',
      'cc-by-sa-3.0-cl' => 'cc-by-sa-3.0-cl',
      'cc-by-sa-3.0-cn' => 'cc-by-sa-3.0-cn',
      'cc-by-sa-3.0-cr' => 'cc-by-sa-3.0-cr',
      'cc-by-sa-3.0-cz' => 'cc-by-sa-3.0-cz',
      'cc-by-sa-3.0-de' => 'cc-by-sa-3.0-de',
      'cc-by-sa-3.0-ec' => 'cc-by-sa-3.0-ec',
      'cc-by-sa-3.0-ee' => 'cc-by-sa-3.0-ee',
      'cc-by-sa-3.0-es' => 'cc-by-sa-3.0-es',
      'cc-by-sa-3.0-gr' => 'cc-by-sa-3.0-gr',
      'cc-by-sa-3.0-gt' => 'cc-by-sa-3.0-gt',
      'cc-by-sa-3.0-hk' => 'cc-by-sa-3.0-hk',
      'cc-by-sa-3.0-hr' => 'cc-by-sa-3.0-hr',
      'cc-by-sa-3.0-it' => 'cc-by-sa-3.0-it',
      'cc-by-sa-3.0-lu' => 'cc-by-sa-3.0-lu',
      'cc-by-sa-3.0-migrated' => 'cc-by-sa-3.0',
      'cc-by-sa-3.0-migrated-with-disclaimers' => 'cc-by-sa-3.0',
      'cc-by-sa-3.0-nl' => 'cc-by-sa-3.0-nl',
      'cc-by-sa-3.0-no' => 'cc-by-sa-3.0-no',
      'cc-by-sa-3.0-nz' => 'cc-by-sa-3.0-nz',
      'cc-by-sa-3.0-ph' => 'cc-by-sa-3.0-ph',
      'cc-by-sa-3.0-pl' => 'cc-by-sa-3.0-pl',
      'cc-by-sa-3.0-pr' => 'cc-by-sa-3.0-pr',
      'cc-by-sa-3.0-ro' => 'cc-by-sa-3.0-ro',
      'cc-by-sa-3.0-rs' => 'cc-by-sa-3.0-rs',
      'cc-by-sa-3.0-sg' => 'cc-by-sa-3.0-sg',
      'cc-by-sa-3.0-th' => 'cc-by-sa-3.0-th',
      'cc-by-sa-3.0-tw' => 'cc-by-sa-3.0-tw',
      'cc-by-sa-3.0-us' => 'cc-by-sa-3.0-us',
      'cc-by-sa-3.0,2.5,2.0,1.0' => 'cc-by-sa-3.0',
      'cc-by-sa-world66' => 'cc-by-sa',
      'cc-sa-1.0' => 'cc-sa-1.0',