c-cd cccc ccdc ccdh ccdr cchr cchy ccoc ccod ccrc cd-r cddr chch choc chod choh choo chor choy chrc chrd chro chrr chy- chyc coch coco codd cody coho cood cooh cor- corc cord coro corr cory coyo coyr crcc crcr crdc croc crod croh croo cror croy cry- cryo cyc- cycc cyy- cyyc dc-y dccc dddd ddoc ddrc ddry dhod dhor doch doco dod- dodd dodo dody dohc dohr dood door dorc dord doro dorr dory doyo drod droh droy dry- dycd dych dydd dyhh dyhr dyo- dyoo dyor dyr- dyrc dyro dyyr hccc hcch hcdr hcrd hdoc hdod hdyd hhhh hoch hocr hodh hodr hody hoho hood hoor horc hord horo horr hory hrdc hrod hrrc hydd hydr hyo- hyrd occc ocro ocrr oddd oddy odoh odoo odor odry odyr ohcc ohho ohoh ohyo oocr ooho oooh oooo oord oory orch orco ordo oro- oror oroy orro orry oych rccc rcdc rcrd rcyc rdoc rhoc rhod rhoh rhyd rocc roch roco rodd rodo rody rohr rohy rood roor rorc roro rory royd rrrr rych rydy ryoh yccc ycch yhyd yoch yodh yodo yoho yood yord yoro yory yoyo yrho yyyy