the Maban language group of Nilo-Saharan ); Sinyar , along the border south of Masalit (a Bongo-Bagirmi language of the Central Sudanic group of Nilo-Saharan); Tama , in a small pocket between Jebel Si and Jebel Marra (also of the Western branch of the Eastern Sudanic group of Nilo-Saharan); Zaghawa ,