c-cor ccccc choco chomo chomu choom choor chor- choro choum chrom chur- churm churr churu co-co cocc- cocco cocom cocum cocur cohoo comco commo commr comu- cooch corm- cormo coro- corum couch couco couru croco cromo croom croum cruor cumm- cumo- cuoco cuomo curch curro h-cho hcooh hhhhh hhour ho-ho ho-oh hocco hohum homo- hooch horch horom horro horru houch hourc hroch hucch hucho huhuh humor humur hurm hurum huuru mccoo mchum mhorr mmccc mmhmm mmmcc mmmmm mocco mochh mocho mohor mohuc mohur mooch mooro mormo moroc moror morou morro morum mouch mrmom mrorr mucho muchu muco- mucor mucro mucum mucur mumcu mummu murch murom muror murrh murro murru murum o-hum occur ochro oh-oh ohchr ohmmm ohour ohrum omoro ooooh ooooo ormoc ormur oroch oroco oromo orrum oruch oruro oucho ouoro r-co- ro-ro rocco rocor rocou rohru roomu rouch roumm rummo rummu rumor ruomu uchuu uh-oh uh-uh uhhoh uhhuh uhuru umhum umour urour urucu uuuuu