cccc cccf ccci cccl cccp ccfc ccff ccfi ccfl ccic ccii ccil ccip ccir cclc ccli ccoc ccpl ccpp ccpr ccrc ccrf ccri ccrl ccrp cfcf cfcl cfco cffr cfor cfpl cfpo cfpr cfrp cicc cici cico cicr ciff cifl ciii cili cill cilo cilp cior cipf cipo cipp circ ciri cirl ciro cirr clic clif clii clio clip clir clof cloo clop clor clpp clri clro coco cocp cofc coff cofi coif coil coip coir col- coli coll colo colp coof cool coop copi copo copp copr cor- corc corf cori corl coro corp corr cpff cpic cpif cpio cplc cpri crcc crcr crfc crfl cric crif crip crlf croc crol croo crop cror crpc fccf fccp fcic fcii ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifo fiii fiil fili fill filo fior fipp flcl flic flii flip floc floo flop flor foci foco fofo foil folc foli foll folo folr foof fool fopp for- fori forl foro forr fp-c fpcc fplc fprf frcc frcp frfc fric fril frio frip frol frop iccc iccf icci iccl icco iccp iccr icll iclp iclr icoc icor icpc icpo icrc icrf icrr ifco ifcp ific ifil ifor ifpo ifrf ifri iiii iiio iioi iioo iiop iipf iirc ilic ilio ilir ill- illi illo illp iloc iloo ilpr ioci iocp iofc ioii ioio iolo ioof iooi iooo iopl iori ipcc ipfc ipil iplo ipop ippc ippf ippo ippr ipri ircc iri- iric iril irio irip iroc irop irpc irrc irri lccc lcfc lcfr lcor lcpc lcpl lcrl lfcc lico licr liff lifl lifo liii liir lili lill lilo lio- lior lip- lipc lipi lipl lipo lipp lirc liri lirl liro lirp lirr llcc lllc llll lloc lloo locc loci loco loff lofi loic loif loir loli loll lolo looc loof lool loop loor lopi lopp lori loro lpfp lppl lprp lrfc lric lrif lroc lroi lrrc lrrr occc occi ocfp oclc ocpp ocrl ocro ocrr ofcl ofcr off- offc offo offr ofor oici oiii oipc olcc olic olio olli ollo olof olor olpc oocr ooff oolo oooo opic opii opio opo- opor oppi oppo orci orco orff orfi ori- oric orif oril orio orlo oro- orof oror orpc orpi orri orro pccc pccl pcfc pcip pcll pclo pcpp pcrc pcrf pcrl pfff pffr pfic pfli picc pici pico picr piff piip pil- pili pill pilo pipi pipo pipp pirc piri pirl piro pirr plcc plff plif plio plip ploc ploo plop plpp plri poco poff pofi poil poio poli poll polo poof pool poop poor pop- popc popi popo popp porc pori poro porr ppcc ppci ppic ppif ppli pplo pppo pppp pprc pprf prcc prcf prcp prfc pri- prif prii prlr pro- proc prof prol proo prop prri rccc rcfc rcic rcpi rcpo rffc rffl rfic ricc rico riff riif rill rilo rilp riol ripi ripl ripp ripr riri rlif rocc roco rofc roff rofl rofo roif roil roio roir rolf roll rolo rolp roof rooi rool roop roor ropo rorc rori roro rpfc rpii rpof rrfc rrif rrrr