-hou cccc cccu cchr cchy ccoc ccrc ccuc chch choc choh choo chor chou choy chrc chro chrr chur chuy chy- chyc coch coco cocu coho cooh cor- corc coro corr cory cour couy coyo coyr crcc crcr croc croh croo cror croy cry- cryo cucc curo curr cury cuy- cuyo cuyr cyc- cycc cyy- cyyc hccc hcch hhhh hoch hocr hoho hoor horc horo horr hory hour hrrc huch hucu huhu huor huro hurr huru hury huyr hyo- occc ocro ocrr ocur ohcc ohho ohoh ohyo oocr ooho oooh oooo oory orch orco oro- oror oroy orro orry oucc ouch our- ouro ouu- ouyr oych oyou rccc rcyc rhoc rhoh rocc roch roco rohr rohu rohy roor rorc roro roru rory rouh rouy rrrr ruch ruhh ruhr ruoy rurc ruro ruru rych ryoh ucho ucrc uhoh uhry uhuh uocc uor- urch urcy urho uro- uroo urrh urry urur uuoc uuuu yccc ycch yhou yoch yoho yoro yory your yoyo yrho yury yuyu yyyy