-form d-rod ddddd ddrmm ddrum do-do dodon dodoo dodro dofor domon domun dondo donon donor donum doodo doorn dorff dorno doron dorud dorum doufu doumu douro drmno drmom droff drom- dromo drood droof droom droon droum droun drumm duddo dudon dudou dufur dundo dunno dunod dunum dunun duomo durno duron durum fnord fodor fofum fomon fomor fondo fondu foord ford- fordo form- forno forro forud forum forur found fourd fourm fouro frodo fromm frond frood froom frorn froud fu-fu fuddu fund- fundo fundu fuorn furo- furor furud fuudo mdrnr mfund mmmmm mo-do modom modon modum modur moffo mondo monno mono- monod monon monor monro moorn mooro mordn mordu morfu mormo moron moror morou morro morum morun mound mourn mrmom mroof mrorr muddu mudon mudun mufon mummu mumun mundo mundu munro murdo murdu murom muron muror murro murru murud murum ndour nduru nnooo no-do no-no nodof nodum nofor nofou nofun nommo nomo- nomom non-u nondo nonno noonu noord nordo norm- noron norro norum norun nroff nu-nu nudum nudur nunon nunun nuoro nurmo nurun oddur odoom odour odudu oduom oduro offof offon offun ofnod ofono oforn ofour ofrum omoon omoro omron onmod onmun onoff onond onoon onorn onour ooooo ordon ordro orfor orm-d ormod ormur ornon orodo oromo orono orrum oruro oudon ouoro ourno rmnmn ro-ro rodon rodor rofor romfo romon rondo ronno roodu roomu roond roumm round rudno ruffo rufo- rummo rummu rumor rundu runo- runof runon ruomu ufofu ufund umour umudu undun undur unfun unfur unnun unnur unoor unorn unrun unurn urour uuuuu