bbbbbbb beguene beugnon bogogno bomongo bon-bon bongbon boo-boo bougnon bougoun boungou bugembe bum-bee bumneng bunomon ebenebe egg-nog egungun embogue gee-gee geebung gembone gobnenn gom-gom gombeen gombong goo-goo goooooo gougeon goumbou goumogo gueguen gum-gum gunnebo menemen mengong mengoub mgombom mongomo monguno monoene monogen monogon mononen monongo moo-moo moonmen mougnon moumoon mugongo munegen muu-muu neb-neb negombo negone nenonen neogene ngoubou ngoumou nobueno nogmung non-ego nonboom nongong nonongo nooneon num-num obomeng omboue one-egg one-one onuegbu oubombo ububboo unbegun