bbbbbb bhookh bo-hoo bobrok bokoro booboo boohoo borbor borkou boroko bororo boubou boudou boukou bourou brokkr brubru bububu budruk budukh bukkur bukuru burbur burdur burhou buruku d-book dododo dok-do dokuro dorbod dorobo dorood dororo doudou dourou drhook drudkh dubdub duboko duhour durbok h-hour hodhur hohoho hohrod hoodoo hoohoo hookor hooroo hororo horror hubbub hubdub hububb hudood huh-uh hukkok hurroo khoroo khoruk khuhro kobodo koboko kodkod kodoku koduru kohoku kokkoh kokoku kokoro kokubo koodoo kookoo korkor kororo korubo koruru koubou koudou koukou kouoro kourou kuduro kuduru kuhrud kukudh kukurd kuroko kurukh kururu o-hook ohohoh oohooh ookroo oooooo oordoo ordoru orrho- orrour rhodo- rokkor rokuko rokuro rubro- rudrur ruhroh udburu udukku uh-huh urhobo