c-cor ccccc cd-mo cdrom co-co cocc- cocco cocom cocum cocur codco codo codru cokk- comco comdr commo commr comu- coord corm- cormo coro- corod corum couco courd couru crock croco crodo cromo crood crook croom croud crouk croum cruck crudo cruor cucuk cukor cumm- cumo- cuoco cuomo curro d-cru d-rod d-rok dc-uk ddddd ddrmm ddruk ddrum do-do dodoo dodro dokdo dokuo doodo dooku dorud doruk dorum douck doumu douro drmom drock drom- dromo drood drook droom drouk droum drumm du-ku ducor duddo dudok dudou duduc duduk dukku duomo duroc durok durum ko-ko kodok kodom kodur kokko kokor kokou kokum kokur komku koord kooru korck korku korom koror korro koruk koudo krock krodo kromo krumm kucuk kudou kudum kudur kukko kukok kukur kumdo kumru kumud kumuk kurku kuruc kurud kuruk m-doc mccoo mmccc mmdcc mmmcc mmmmm mo-do mocco mock- modoc modok modom modum modur mokko mokro mokuk mokum moock mookk mooro mordu mormo moroc moror morou morro morum mrmom mrorr mucko muco- mucor mucro mucum mucur muddu mukur mumcu mummu mumok murck murdo murdu murko murom muror murro murru murud muruk murum occur ockro oddur odoom odour odudu oduom oduro okkur okoc okoro okuku okuru omdoc omoro omuku ooooo ordoc ordro orduc orkom orm-d ormoc ormod ormur oroco orodo oromo orrum oruku oruro ouoro r-co- ro-ro rocco rocko rocor rocou rodoc rodok rodor rokkk roodu roomu rouko roumm rudkk rudok rummo rummu rumor ruomu ukcdr ukodo umour umudu urduk urour urucu uuork uuuuu