The Western Skou or Inner Skou languages form a branch of Skou languages. They are spoken in Sandaun Province, Papua New Guinea and Papua Province, Indonesia. They are called Western Skou by Donohue (2002), Inner Sko by Foley (2018), and West Vanimo Coast by Usher (2020).Donohue, Mark. 2002. Which Sounds Change: Descent and Borrowing in the Skou Family. Oceanic Linguistics 41. 171-221.
The languages are, Skou, Vanimo, Wutung, Leitre
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