d-rod ddddd ddrmm ddrum dnuop do-do dodon dodoo dodro domon dompu domun dondo donon donor donum doodo doorn dorno doron dorud dorum doumu douro dpond drmno drmom drom- dromo drood droom droon droop drop- dropo droum droun droup drumm duddo dudon dudou dundo dunno dunod dunum dunun duomo durno duron durum mdrnr mmmmm mo-do modom modon modum modur mondo monno mono- monod monon monor monro moorn mooro mopup mordn mordu mormo moron morop moror morou morro morum morun morup mound mourn mpdrm mrmom mrorr muddu mudon mudun mummu mumun mundo mundu munro muppu murdo murdu murom muron muror murro murru murud murum murup n-p-n ndour nduru nnooo no-do no-no no-op nodum nommo nomo- nomom non-u nondo nonno nonop noonu noord nopun nordo norm- noron norro norum norun nu-nu nudum nudur nunon nunun nuoro nupur nurmo nurun oddup oddur odmrp odoom odour odudu oduom oduro omoon omoro omron omupo onmod onmun onond onoon onorn onour onpop ooooo oopod opodo oppon oppum opump ordon ordro orm-d ormod ormur ornon orodo oromo orono orrum oruro oudon ouoro ourno p-n-p po-on po-po podo- podom podor pomor pompu pomum pondo ponnu ponor ponup poond poopo popon popop poppo popup porn- porno poro- poron porro porum porur pound prodd promo proor prop- propn propp propr proud prun- pruno pudor pudur pundo punon puppo purmo puro- purum rmnmn ro-ro rodon rodor romon rompo rompu rondo ronno roodu roomu roond roumm round rprop rudno rummo rummu rumor rumpo rundu runo- runon runup ruomu u-pop umour umudu undun undur unnun unnur unoor unorn unrun unurn up-do upmod upnor uppon uprun urour uuuuu