d-dot d-rod ddddd ddrmm ddrum do-do dodoo dodow dodro doodo doout dordt dorot dorud dorum dotoo dotto dotum doumu douro dowtu drmom drom- dromo drood droom drott droum drout drumm dtour duddo dudou dudow duomo durtu durum dword m-dot mmmmm mo-do modom modum modur momot mooro mooto mootw mordt mordu mormo moror morou morow morro morum morut moto- motor motru motto mottu mrmom mrorr mt-td mt-tm mt-tr mt-tt mt-tw mtoto muddu mummu murdo murdu murom muror murot murow murro murru murud murum murut muto- mutum mutuo muuto oddur odoom odour odowd odudu oduom oduro omoro omoto omout ooooo ordro orm-d ormod ormur orodo oromo orout orrow orrum ortoo ortwo oruro orutu otomo ototo otour ottom ottur ouoro outdo outro outto oword rmutt ro-ro rodor roodu roomu roto- rotor rotot rotto roumm routt rowto rudow rummo rummu rumor ruomu ruutu rwmor to-do todor tommo tomo- tomom tomor toord tordu torow torro torto tortu torud toto- totoo totum totwo tourd touro towoo towrd tromm trood trott troum trout trouw trudo truro ttttt tu-mo tudor tudou tudur tummo tumor tumut tuomo tuotu turot turow turro turtu turut tutor tutow tutto tuuru twoor twort twoto umour umudu urour urowo urutu utro- utror utrum uttur uturu ututo uuuuu wmdrm wodou wodur woodd woord worod worow wotou wourd wourt wowow wroot wrout wrutt wuord wwwww