bo-bo boboc bocom bodd- bodoc bodom bodum bombo booco boomb boudu bucco bucum buddu budoc bumbo bumbu ccccc cd-mo co-bo co-co cocc- cocco cocom cocum codco codo combo comco commo comu- coomb couco coumb cubo- cubub cumbo cumbu cumm- cumo- cuoco cuomo ddddd do-do dodoo doodo doumb doumu dubbo dubuc duddo dudou duduc dumbo duomo m-doc mccoo mmccc mmdcc mmmcc mmmmm mo-do mocco modoc modom modum mombo mombu muco- mucum muddu mumbo mumcu mummu obodo obudu odoom odudu oduom ombud omdoc ooooo u-dub ubobo ucmdb umudu uuuuu