dddd ddry dod- dodd dodo dody dond donn dono donr dood doon door dord dorn doro dorr doru dory doud doun dour douy doyo drno drod dron drou droy druu druv drvn dry- dudd dudo dudu dunn duno duny duo- duon durn duro duru dury duur duvy duyn duyr dvdr dvno dvor dydd dyno dynu dyny dyo- dyon dyoo dyor dyou dyr- dyro dyru dyun dyur dyyr nddo ndor ndry nnnn nodo nodu nody non- nonn nono nonu noo- noon nooo noor noov nor- nord norn noro norr norv nory noun nour nov- novo novy noyo nron nrrd nudd nudo nunn nuno nuny nuon nurd nurn nurr nuru nurv nuvo nyny nyon nyro oddd oddy odon odoo odor odou odry odur odyr ondo ondy onno onod onon onor onoy onur oooo oord oory ordn ordo ordu orno orny oro- oron oror oroy orro orry orvr oun- ound our- ourn ouro ouu- ouyr ovo- ovod ovon ovoo oyon oyou oyun rnod rodd rodo rody rond rono rony rood roon roor roro roru rory roud roun rouy rovo royd royn rrrr rrun rudd rudo rudy rund runn runo runy ruoy rurd ruro ruru ruud ruun ruvu ruyd rydy rynd rynn ryon ryun udny udon udoo udun undo undy unno unon unov unro uor- uovo urdu urdy uro- uroo urry urun urur uryn uuno uuuu uuyn uvrd uvvu uydo vodo vond vonn voor vor- vord voro voru vory voud voun vour voyd vrdy vrnn vron vudu vuno vvvv vynd vyny ydon ynon ynou yodo yond yono yood yoon yord yorn yoro yory youd your yoyn yoyo yron yrun yryn yudo yudu yund yuny yuon yurd yurn yury yuyu yvon yvor yyyy