o- always plur. (bu/-) scraps of firewood, cf. oluku.

o- (lu/n) piece of firewood; in the plur. firewood, okukuba oluku mu mutwe, to succeed in, get what one is after. Omusomo yagukuba oluku mu mutwe. He passed the course with flying colors. Omusango yagukuba oluku mu mutwe. He won the lawsuit. cf. obukuukuku, akaku, 2ekiku, olukukku, enkukku.

e- (n/n) medium to large pieces of firewood, cf. obukuukuku, oluku.