cccc ccci cccp cccv ccic ccii ccip ccir cciv ccoc ccpp ccpr ccrc ccri ccrp ccvi ccvo cicc cici cico cicr ciii cior cipo cipp circ ciri ciro cirr civc civo civy coco cocp coip coir coop copi copo copp copr copy cor- corc cori coro corp corr cory covo covy coyo coyr cpic cpio cpri cpvc crcc crcr cric crip croc croo crop cror croy crpc cry- cryo cvcc cvii cvrr cyc- cycc cypc cyy- cyyc iccc icci icco iccp iccr icoc icor icpc icpo icrc icrr icry iiii iiio iioi iioo iiop iirc ioci iocp ioii ioio iooi iooo iori ipcc ipop ippc ippo ippr ippy ipri ircc iri- iric irio irip iriy iroc irop irov irpc irrc irri ivic ivor ivry occc occi ocpp ocro ocrr oici oiii oipc oiry oocr oooo oory opic opii opio opo- opor oppi oppo oppy opry orci orco ori- oric orio oro- oror oroy orpc orpi orri orro orry orvr ovi- ovo- ovoo ovpp oyri pccc pcip pcpp pcrc picc pici pico picr picy piip pipi pipo pipp pipy pirc piri piro pirr piry pivo piyo poco poio poop poor pop- popc popi popo popp popy porc pori poro porr pory povo poyo poyr ppcc ppci ppic pppo pppp pprc prcc prcp pri- prii priv pro- proc proo prop prov prri pvco pyic pyo- pypy pyr- pyri pyro pyry rccc rcic rcpi rcpo rcvr rcyc ricc rico ripi ripp ripr riri rivo rivp riyo rocc roco roio roir rooi roop roor ropo ropy rorc rori roro rory rovi rovo rpii rpyc rrrr rv-c ryip vcci vic- vici vico viii vipr virc viri viro virr viry vivi vivo vivy voic voio voip voir vooc voor vor- vori voro vory voyi vpro vrci vrio vroc vvvv vyir yccc yirr yivo yoop yopo yopy yori yoro yory yoyo ypcc ypir yvor yyyy