-'january' => 'Jänner',
-'february' => 'Feber',
-'january-gen' => 'Jänners',
-'february-gen' => 'Febers',
-'jan' => 'Jän',
+'january' => 'Jänner',
+'february' => 'Februar',
+'december' => 'Dezember',
+'january-gen' => 'Jänners',
+'february-gen' => 'Febers',
+'jan' => 'Jän',
+