a-bomb a-hmao aaaaba ababou abbahu ahooab ahubam amamau amoaba amomum baabaa baamba babaha baboom baboua bahaba bahaha bahama bahamo bambam bambao bamboo baobab bbbbbb bhabha bhabua bhamba bhauma bo-hoo boabab bobbau bombom boobam booboo boohoo boom-o boubou bububu bumboo h-bomb habhab haboob hahaha hahhah hamama hambou hammah hammam hauhua ho-hum hohoho hoo-ha hoohaa hoohah hoohoo huambo hubabo hubahu hubbub hububb huh-uh humhub humhum hummum ma-mha mabouo mahabo mahama mahoba mahuma mamamu mambau mammo- maohou maomao maumau mbombo mbomou mbumba mm-hmm moamba mohoao mohoua mohuhu moomba moomoo muamba muhooa muhuhu muumuu obambo oboama ohmama ohohoh oohooh oooooo ubombo uh-huh um-hum umauma