Nunusaku languages
The Nunusaku languages are a group of Malayo-Polynesian languages, spoken on and around the island of Seram, Indonesia. None of the languages have more than about twenty thousand speakers, and several are endangered with extinction.
The proto-language, Proto-Nunusaku, merged Proto-Malayo-Polynesian *z/''*d as *d, and *l/*R/*j as *l''.