cccc cccf cccl ccfc ccff ccfl cclc ccoc ccrc ccrf ccrl cfcf cfcl cfco cfcy cffr cfor cfry cfyk ckck ckcl ckco ckcy ckfr cklf ckoc ckoo ckor ckoy ckrc ckry ckyl clof clok cloo clor cloy clro cly- clyk cock coco cofc coff cok- coko coky col- colk coll colo coly coof cook cool cor- corc corf cork corl coro corr cory coyf coyl coyo coyr crcc crcr crfc crfl crkc crkl crlf croc crok crol croo cror croy cry- cryo cyc- cycc cycl cyl- cylc cyll cyrk cyrl cyy- cyyc f--k fccf ffcc ffff ffrr flcl floc flok floo flor floy fock foco fofo folc folk foll folo folr foly foof fook fool for- fork forl foro forr foyl frcc frfc frol fyrk fyry k-lo kccc kcck kccl kccr kccy kcfc kcfl kcfo kcfy kckc kckf kckk kckl kcko kckr kcky kclc kclf kclk kcll kclr kcly kcof kcol kcor kcrc kcro kcrr kcry kcyk kcyl kcyy kfcf kfco kfcr kfcy kfff kffk kflc kflf kfll kflo kfly kfok kfoo kfor kfoy kfrc kfro kfrr kfry kfyo kfyr kkck kkcl kkco kkcr kkcy kkfr kkkk kklc kklf kkll kklo kkol kkoo kkor kkoy kkrc kkrf kkrk kkrl kkro kkrr kkyc kkyy klcc klck klcl klcr klcy klfc klff klkc klkk klkl klko klkr klky kllc kllk klly kloc klok klol kloo klor klrc klrf klrk klrr klyc klyk klyr klyy kocf kock kofc koff kofk kofo kofy kokc kokf kokk koko kokr koky kolc kolf kolk koll kolo kolr koly kooc kook kool kooo koor korc korf kork korl koro korr koyf koyo koyy krcc krcl krco krfc krff krfo krkc krkk krko krkr krky krlc krlf kroc krof krok krol kroo kror kroy krrc krrf krrk krrl krro krrr krry kryk kryl kryo kryy kycc kyck kycr kyfr kykc kykk kykr kyky kyll kylo kyok kyol kyoo kyor kyoy kyrc kyrf kyrk kyro kyyk kyyo kyyy lccc lcfc lcfr lcor lcrl lfcc llcc lllc llll lloc lloo llyr locc lock loco loff lokk loko loll lolo loly looc loof look lool loor lork loro lory lrfc lroc lrrc lrrr lrry lyc- lyco lyff lyfy lyly lyo- lyro lyyf occc oclc ocrl ocro ocrr ofcl ofcr off- offc offo offr offy ofor okko oklo okok okol okor okro okyo olcc ollo olly olof olor olry olyf oocr ooff oofy ooky oolo oooo oory orco orff orko orlo orly oro- orof orok oror oroy orro orry oyly rccc rcfc rcyc rffc rffl rkkf rocc rock roco rofc roff rofl rofo rokk roko rokr roky rolf rolk roll rolo roly roof rook rool roor rorc rork roro rory royl rrfc rrrr ryck ryff ryyf yccc ykko ylyk yock yoff yoko yoky yolk yoll yolo yoly yoof yook yool york yoro yory yoyo yrly yrof yyff yyyy