cccc cccf ccci cccl cccp cccv ccfc ccff ccfi ccfl ccic ccii ccil ccip cciv cclc ccli cclv ccoc ccpl ccpp ccvi ccvo cfcf cfcl cfco cfpl cfpo cfvp cicc cici cico ciff cifl ciii cili cill cilo cilp cilv cipf cipo cipp civc civo clic clif clii clio clip cliv clof cloo clop clpp clvi coco cocp cofc coff cofi coif coil coip col- coli coll colo colp coof cool coop copi copo copp covo cpff cpic cpif cpio cplc cpvc cpvl cvcc cvii fccf fccp fcic fcii ffcc ffff ffii ficc fico fifc fiff fifi fifo fiii fiil fili fill filo fipp flcl flic flii flip floc floo flop foci foco fofo foil folc foli foll folo foof fool fopp fp-c fpcc fplc iccc iccf icci iccl icco iccp icll iclp icoc icpc icpo ifco ifcp ific ifil ifpo iiii iiio iioi iioo iiop iipf ilic ilio ill- illi illo illp iloc iloo ioci iocp iofc ioii ioio iolo ioof iooi iooo iopl ipcc ipfc ipil iplo ipop ippc ippf ippo ivcf ivic lccc lcfc lcpc lcpl lcvp lfcc lico liff lifl lifo liii liiv lili lill lilo lio- lip- lipc lipi lipl lipo lipp livi livo llcc lllc llll lloc lloo lo-v locc loci loco loff lofi loic loif loli loll lolo looc loof lool loop lopi lopp lovo lpfp lppl lvcc lvii lviv lvov occc occi ocfp oclc ocpp ofcl off- offc offo oici oiii oipc olcc olic olio olli ollo olof olov olpc olvi ooff oolo oooo opic opii opio opo- oppi oppo ovfl ovi- ovil ovo- ovol ovoo ovpp pccc pccl pcfc pcip pcll pclo pcpp pfff pfic pfli picc pici pico piff piip pil- pili pill pilo pipi pipo pipp pivo plcc plff plif plio plip ploc ploo plop plov plpp plvi poco poff pofi poil poio poli poll polo poof pool poop pop- popc popi popo popp povl povo ppcc ppci ppic ppif ppli pplo pppo pppp pvco pvlv vcci vcfl vfcc vfli vflo vic- vici vico viff viii vili vill viol vivi vivo vlcc vlci vlli vloc voff voic voil voio voip volc volf voli voll volo volp vooc vool vplp vvvv