cccc cccf ccci cccp ccfc ccff ccfi ccic ccii ccip ccir ccoc ccpp ccpr ccrc ccrf ccri ccrp cfcf cfco cfcy cffr cfor cfpo cfpr cfrp cfry cicc cici cico cicr ciff ciii cior cipf cipo cipp circ ciri ciro cirr coco cocp cofc coff cofi coif coip coir coof coop copi copo copp copr copy cor- corc corf cori coro corp corr cory coyf coyo coyr cpff cpic cpif cpio cpri crcc crcr crfc cric crif crip croc croo crop cror croy crpc cry- cryo cyc- cycc cyfi cypc cyy- cyyc fccf fccp fcic fcii ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifo fiii fior fipp firy foci foco fofo foof fopp for- fori foro forr fp-c fpcc fprf frcc frcp frfc fric frio frip frop fyfi fyry iccc iccf icci icco iccp iccr icoc icor icpc icpo icrc icrf icrr icry ifco ifcp iffy ific ifor ifpo ifrf ifri ifyo iiii iiio iioi iioo iiop iipf iirc ioci iocp iofc ioii ioio ioof iooi iooo iori ipcc ipfc ipop ippc ippf ippo ippr ippy ipri ircc iri- iric irio irip iriy iroc irop irpc irrc irri occc occi ocfp ocpp ocro ocrr ofcr off- offc offo offr offy ofor oici oiii oipc oiry oocr ooff oofy oooo oory opic opii opio opo- opor oppi oppo oppy opry orci orco orff orfi ori- oric orif orio oro- orof oror oroy orpc orpi orri orro orry oyri pccc pcfc pcip pcpp pcrc pcrf pfff pffr pfic picc pici pico picr picy piff piip pipi pipo pipp pipy pirc piri piro pirr piry piyo poco poff pofi poio poof poop poor pop- popc popi popo popp popy porc pori poro porr pory poyo poyr ppcc ppci ppic ppif pppo pppp pprc pprf prcc prcf prcp prfc pri- prif prii pro- proc prof proo prop prri pyic pyo- pypy pyr- pyri pyro pyry rccc rcfc rcic rcpi rcpo rcyc rffc rfic ricc rico riff riif ripi ripp ripr riri riyf riyo rocc roco rofc roff rofo roif roio roir roof rooi roop roor ropo ropy rorc rori roro rory rpfc rpii rpof rpyc rrfc rrif rrrr ryff ryif ryip ryyf yccc yiff yirr yoff yoof yoop yopo yopy yori yoro yory yoyo ypcc ypir yrof yyff yyyy