Siawi language
Siawi, also known as Musan, is one of two Amto–Musan (Samaia River) languages. It is spoken in Siawi village (4°03′47″S 141°25′16″E / 4.062998°S 141.421181°E), Green River Rural LLG, Sandaun Province, Papua New Guinea.
The name "Siawi" is misspelling of the endonym, Siafli, used on government maps. The old name for the language, "Musan", is a clan name.
Grammar
Siawi has postpositions and SV basic word order.There is a clause final polar interrogative particle.