cccc ccci cchr cchy ccic ccii ccir ccoc ccrc ccri chch chci chic chih chir choc choh choi choo chor choy chrc chro chrr chy- chyc cicc cich cici cico cicr cihr ciii cior circ cirh ciri ciro cirr coch coco coho coir cooh cor- corc cori coro corr cory coyo coyr crcc crcr cric croc croh croo cror croy cry- cryo cyc- cycc cyy- cyyc h-ii hccc hcch hchi hhhh hi-c hicc hich hico hihc hihi hiho hioc hiri hiro hiyo hoch hocr hoho hoir hoor horc hori horo horr hory hoyi hrrc hyo- iccc icci icco iccr ichc ichi icho ichr ichy icoc icor icrc icrr icry ihcc ihrc iiii iiio iioi iioo iirc ioci ioii ioio iooi iooo iori ircc iri- iric irio iriy iroc iroh irrc irri occc occi ochi ocro ocrr ohcc ohhi ohho ohio ohoh ohyo oici oiii oiry oocr ooho oooh oooo oory orch orci orco ori- oric orio oro- oror oroy orri orro orry oych oyri rccc rcic rcyc rhio rhoc rhoh ricc rich rico riho riri riyo rocc roch roco rohr rohy roio roir rooi roor rorc rori roro rory rrrr rych ryoh yccc ycch yirr yoch yoho yori yoro yory yoyo yrho yyyy