Chad

Dourne, Wadi Fira → Dourningué, Wadi Fira → Dournoan, Ouadai → Douroubari, Ouadai → Dourouga, Guera → Douroumbédat, Salamat → Douroungoulou, Batha → Dourti Souar, Sila → Dourti, Sila → Dousa, Moyen-Chari → Douvelloum, Mayo-Kebbi Ouest → Douvoul, Chari-Baguirmi → Douyou, Mandoul → Douziat, Guera → Dowadel, Logone Oriental → Dowel, Logone Oriental → Doy, Logone Occidental → Doyaba, Moyen-Chari → Doyer, Logone Occidental → Doyo, Guera →