-hou dddd ddry dhod dhor dhur dod- dodd dodo dody dohm dohr domm domo domy dood doom door dord dorm doro dorr doru dory doud doum dour douy doyo drod droh drom drou droy drum druu dry- drym dudd dudo dudu duhr duhu duhy dumh dumm dumy duo- duro duru dury duur duyr dydd dyhh dyhr dymd dymo dymr dymy dyo- dyoo dyor dyou dyr- dyro dyru dyur dyyr hdod hdrm hdyd hhhh hmmm hodh hodr hody hohm hoho hom- homo homr homu homy hood hoom hoor hord horo horr hory houd hour hoym hrod hrud hrym hudd hudo hudu huhu humh humm humo huor hurd huro hurr huru hury huyd huyr hydd hydr hymy hyo- hyrd mddm mdud mhmm mhmr mhor mmhm mmmd mmmh mmmm mmod mmor mmyy modd modh modo modu mody mohm moho mohr mohu momo momu momy mood moor mord moro moru mory moud mour mouy moyd moyo moyu mrdd mrmd mrud mudd mudu muhr muhu mumm mumo mumu mumy murd muro murr muru mury muyd mydd mymy myo- myod myoh myro myrr myry oddd oddy odmr odmy odoh odom odoo odor odou odry odum odur odyr ohho ohmy ohoh ohum ohyo omo- omoo omor omro omuo ooho oooh oooo oord oory ordo ordu ormo ormy oro- orom oror oroy orro orry orum oudh our- ouro ouu- ouyr oyou rhod rhoh rhum rhyd rodd rodo rody rohm rohr rohu rohy romd romm romo romy rood room roor roro roru rory roud rouh roum rouy royd rrrr rrum rudd rudo rudy ruhh ruhm ruhr rumm rumo rumy ruoy rurd ruro ruru ruud ruyd rydy ryoh udoh udoo uh-d uhoh uhry uhuh ummo umor uomo uor- urdu urdy urho uro- urom uroo urrh urry urum urur uuuu uydo yhou yhud yhyd ymur ymyd yodh yodo yoho yomo yood yord yoro yory youd your yoyo yrho yudh yudo yudu yurd yury yuyu yyyy