-form d-rod ddddd ddrmm ddrum do-do dodoo dodro dofor dompu doodo dopdf dorff dorud dorum doufu doumu douro drmom droff drom- dromo drood droof droom droop drop- dropo droum droup drumm duddo dudou dufur duomo durum fodor fofum fomor foord ford- fordo fordp form- forro forud forum forur fourd fourm fouro frodo fromm frood froom froop froud froup frump fu-fu fuddu furo- furor furud fuudo mmmmm mo-do modom modum modur moffo mooro mopup mordu morfu mormo morop moror morou morro morum morup mpdrm mpofu mrmom mroof mrorr muddu mummu mumpf mupdf muppu murdo murdu murom muror murro murru murud murum murup oddup oddur odmrp odoom odour odudu oduom oduro offof ofour ofpop ofrum omoro omupo oompf ooooo oopod opodo oppum opump ordro orfor orm-d ormod ormur orodo oromo orrum oruro ouoro pforp po-po podo- podom podor pomor pompu pomum poopo popop poppo popup poro- porro porum porur pouff prodd proff promo proof proor prop- propp propr proud pudor pudur puppo purmo puro- purum ro-ro rodor rofor romfo rompo rompu roodu roomu roumm rprop ruffo rufo- rummo rummu rumor rumpf rumpo ruomu u-pop ufofu umour umudu up-do upfor upmod upoff urour uuuuu