dddd dfrf dmrg dod- dodd dodg dodo doff dog- dogg dogo dogu domm domo dood doof doom door dord dorf dorm doro dorr doru doud douf doug doum dour drod drof drog drom drou drug drum druu dudd dudo dudu duff dufu dugu dumm duo- durg duro duru duur fdom ffff ffrr fmdg fmod fofo fogg fogo fomo food foof foom for- ford forg form foro forr foud foug four frog from frou frug frum fudd fuff fufu fugo fugu fumo fuor fur- furg furm furo furr gdfr gdor gfor ggfg gggg gmmr gmod godo goff gofr gofu gogo gomf gomo gomu good goof goog goom goor gord gorf gorg gorm goro gorr gou- goud gouf goug goum gour grod grof grog grom groo gror grou grrr gruf grug grum grur gudo gudu guff gugg gugu gumm gumo gurd gurg guro gurr guru mddm mdmf mdud mfor mfou mgrm mmdf mmfd mmff mmmd mmmm mmod mmor mmrf modd modo modu moff mofo mofu mogg mogo mogu momo momu mood moog moor mord morf morg moro moru moud mouf mour mrdd mrmd mrud mudd mudu muff mufu mugg mugo mugu mumm mumo mumu murd murg muro murr muru oddd odmr odom odoo odor odou odum odur ofdr off- offo offr offu ofgo ofor ogfr ogod ogog ogou ogro ogum omfg omo- omoo omor omro omuo ooff oooo oord ordo ordu orff orfu orgo ormo oro- orof orom oror orro orum ouff our- ouro ouu- rmrg rodd rodo roff rofo rogg rogo romd romm romo rood roof roog room roor roro roru roud rouf roum rrrr rrum rudd rudo ruff rufo rugg rumm rumo rurd ruro ruru ruud udoo uggo ugod ugro ugur uguu umff umfg umgo ummg ummo umor uofg uofm uofo uomo uor- urdu urff urgu uro- urom uroo urum urur uuuu