d-dot d-rod ddddd ddrmm ddrum dhond dhoom dhoon dhoot dhuhr dhumm dhund dhunn do-do dodon dodoo dodro dohrn domon domun dondo donho donon donor donot donum donut doodo doorn dooth doout dordt dorno doron dorot dorth dorud dorum dotoo dotto dotum doumu dount douro douth drmno drmom drom- dromo drood droom droon drott drouh droum droun drout drumm dtour dturn duddo dudon dudou duhon dundo dunno dunod dunum dunun duomo duont durno duron durtu duruh durum hhhhh hhour hhtdd ho-ho ho-oh hoddu hodhr hodod hodur hohot hohum homo- hondo honno honor honud hoond hoord hoorn hoort hordt horno horod horom horon horro horru hortd horth horto hothr hoton hotot hotto hound hount hourd houtu hthrt htuom hudud hudur huhuh humor humur hundt hunth hunut huorn hurm huron hurtt hurtu hurum hutor hutto huttu huuru m-dot mdrnr mhorr mmhmm mmmmm mo-do modom modon modum modur mohon mohor mohun mohur momot mondo monno mono- monod monon monor monro month monto montt montu moorn mooro mooth mooto mordn mordt mordu mormo moron moror morou morro morth morum morun morut motho moto- moton motor motru motto mottu mouht mound mount mourn mouth mrmom mrorr mrton mt-td mt-th mt-tm mt-tn mt-tr mt-tt mtoto mtron muddu mudon mudun mummu mumun mundh mundo mundt mundu munnt munot munro munto murdo murdu murom muron muror murot murrh murro murru murth murud murum murut muthu muto- muton mutum mutuo muuto ndour nduru nnooo no-do no-no nodto noduh nodum nohno nohom nohor nohut nommo nomo- nomom non-u nondo nonno nonoh nonot noonu noord noort nordo norm- noron norro north nortt norum norun notdo noth- notht notno noto- noton notto notum nourt ntntd ntoro ntoum nu-nu nudum nudur nuhuh nunon nunun nuoro nurmo nurth nurun nuton o-hum oddur odont odoom odour odudu oduom oduro oh-oh ohmmm ohorn ohour ohrot ohrum omont omoon omoro omoto omout omron onhot onmod onmun onond onont onoon onorn onoto onour onout onto- ontoo ontur oohdm ooooh ooooo ordon ordro orm-d ormod ormur ornon ornot orodo oromo orono orout orrum orth- ortho orton ortoo oruro orutu othom othon othou othur otomo otono ototo otour ottom ottur oudon ouoro ourno outdo outon outro outto rhod- rhodo rhoon rmnmn rmutt rnmnt ro-ro rodon rodor rohod rohru rohun romon romth rondo ronno ronto roodu roomu roond rotho roto- roton rotor rotot rotto rotun roumm round rount routh routt rthon rudno ruhnu rummo rummu rumor rundu runo- runon runto ruomu ruthu ruuth ruutu t-nut thomm thoom thoon thorn thoro thorr thort thoru thoth thour thout throd throm thron throo throt throu thrum thurd thurm thurn thurt thuru tntnt to-do to-ho todor tohot tommo tomo- tomom tomor tondo tondu tono- tonod tonto toord tooth tordu torht toron torro torto tortu torud torun toto- toton totoo totum touho tourd tourn touro trhdr tromm trond trono trood troon troth trott troum trout trudo truro truth ttttt tu-mo tudor tudou tudun tudur tummo tumon tumor tumut tundu tunon tuomo tuotu turn- turno turnt turnu turon turot turro turtu turut tutor tutto tutun tuuru uh-oh uh-uh uhdoh uhhoh uhhuh uhuru umhum umour umudu undun undur unhot unnun unnur unnut unoor unorn unruh unrun unurn urour urutu utro- utror utrum uttur uturn uturu ututo uuuuu