aaaaba aabach abacab abacha abbahu accumb achham achuma ahubam amacha amamau ambaca ambach aubach aucuba baabaa baamba babacu babaha bacaba bacau baccha bachau bacmam bahaba bahaha bahama bambam bamcha baucau bbbbbb bhabha bhabua bhamba bhauma bubach bububu buchch buhach caabah cabucu cachaa cachua cahaba cahama camaca camamu cambuc chabab chabua chacha chacma chamba chamma chamua chamum chauha chuchu chumba chumbu chumma cmucam cuamba cumbum habach habhab hahaha hahhah hamaca hamama hammah hammam hauhua hubahu hubbub hububb huh-uh humcha humhub humhum hummum ma-mha maacah macaca maccam maccha macham macua macuca mahama mahuma mamamu mambau maumau mbumba mm-hmm mmaacc mmachc muamba mucaba muchuu muhuhu muumuu uacaba ub-amc ucuuba uh-huh um-hum umauma umbach umuchu