Chad

Foundouk, Ouadai → Foungui, Ouadai → Founo, Sila → Four, Barh el Gazel → Fourdougoul, Salamat → Fourkoulom, Lac → Fourkouma, Batha → Fouromi, Kanem → Fourra, Guera → Fourtcha marou, Kanem → Fourtchieskou, Barh el Gazel → Fouskay, Kanem → Fouti, Batha → Frédibé, Barh el Gazel → Fréing, Mayo-Kebbi Est → Fressou, Mayo-Kebbi Est → G’uirmé, Wadi Fira → Gaba, Barh el Gazel → Gabasour, Sila → Gabat, Ouadai →