Steps to replicate the issue (include links if applicable):
What happens?:
Many language codes added for monolingual text, e.g. gsw-fr (Alsatian), lkt (Lakota), nr (South Ndebele), sjt (Ter Sami), do not have autonyms.
What should have happened instead?:
They should have autonyms.
Software version (skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):