bbook bcock bhook bo-bo bo-ho bobko boboc bobok bochk bocho boffo bohok bokko bokok booch boock booco booko bouch bouck bouko bucco bucho buchu bucko bucku buffo bukk- buoch buoho ccccc cfhof chock choco choff chokh choko choof chook chouk chubb chuck chuff chuko chuuk co-bo co-co cocc- cocco cohob cohoo cokk- cooch couch couco cubo- cubub cucuk cuoco fouch fu-fu fuchu fucko fuco- fuoco h-cho hcooh hhhhh ho-ho ho-oh hobub hocco hofuf hokku hooch houch houck houff hucch hucho huhuh hukok khoku khufu ko-ko kobuk kochu kokko kokou kouch koufu kubok kuchu kucuk kukko kukok obock offof oh-oh oh-ok ohfoo okcho okobo okoc okoho okubo okuku ooooh ooooo oucho ubobo uchku uchuu ufofu uh-oh uh-uh uhhoh uhhuh ukobu uuuuu