Assuming switzerland is required, the following result was found.
Language Codeshttps://www.joellipman.com/articles/cms/joomla/language-codes.html
Estonian fo Faeroese fa Farsi fi Finnish fr French (Standard) fr-be French (Belgium) fr-ca French (Canada) fr-ch French (Switzerland) fr-lu French (Luxembourg) gd Gaelic (Scotland) ga Irish de German (Standard) de-ch German (Switzerland) de-at German...