d-dot d-rod ddddd ddrmm ddrum do-do dodoo dodro dompt dompu doodo doout dordt dorot dorud dorum dotoo dotto dotum doumu doupt douro drmom drom- dromo drood droom droop drop- dropo dropt drott droum droup drout drumm dtour dtpmp duddo dudou dumpt duomo durtu durum m-dot mmmmm mo-do modom modum modur momot mooro mooto mopup mordt mordu mormo morop moror morou morro morum morup morut moto- motor motru motto mottu mpdrm mrmom mrorr mt-td mt-tm mt-tp mt-tr mt-tt mtoto muddu mummu muppu murdo murdu murom muror murot murro murru murud murum murup murut muto- mutum mutuo muuto oddup oddur odmrp odoom odour odudu oduom oduro omoro omoto omout omupo ooooo oopod opodo oppum opto- optot optto opump ordro orm-d ormod ormur orodo oromo orout orrum ortoo oruro orutu otomo ototo otour otpor ottom ottur ouoro outdo outro outto po-po podo- podom podor pomor pompu pomum poopo poort popop poppo popup poro- porro porto portu porum porur potom potoo potop potor potro potto pottu prodd promo promt proor proot prop- propp propr propt prot- proto proud prout prtor ptprd ptprm ptpro ptprr ptprt ptpru pudor pudur puppo purmo puro- purum putor putt- putto puttu putuo putup rmutt ro-ro rodor rompo rompt rompu roodu roomu roto- rotor rotot rotto roumm routt rprop rptor rummo rummu rumor rumpo rumpt ruomu ruutu t-pop t-top to-do todor tommo tomo- tomom tomor toord topo- topor topot toppo topto topup tordu torpo torro torto tortu torud toto- totoo totop totum totup tourd touro tprot tromm tromp trood troop trop- tropo trott troum troup trout trudo trump trupt truro ttttt tu-mo tudor tudou tudur tummo tumor tumut tuomo tuotu tupou turot turro turtu turup turut tutor tutto tuuru u-pop umour umudu up-do upmod upput uptop urour urutu utro- utrop utror utrum uttur uturu ututo uuuuu