| Papua New Guinea|
| (2,800 cited 1980)|
Foi language Wikipedia
Foi (Foe) is a Papuan language of Papua New Guinea. Dialects are Ifigi, Kafa, Kutubu, Mubi.
*Ya'a is exclusive, yage inclusive. It's not clear if a reported minimal distinction in the plural between inclusive "yia" and exclusive "yiya" is real.