cccc cccf ccfc ccff ccoc ccrc ccrf cfcf cfco cfcy cffr cfor cfry cfyk ckck ckco ckcy ckfr ckoc ckoo ckor ckoy ckrc ckry cock coco cofc coff cok- coko coky coof cook cor- corc corf cork coro corr cory coyf coyo coyr crcc crcr crfc crkc croc crok croo cror croy cry- cryo cyc- cycc cyrk cyy- cyyc f--k fccf ffcc ffff ffrr fock foco fofo foof fook for- fork foro forr frcc frfc fyrk fyry kccc kcck kccr kccy kcfc kcfo kcfy kckc kckf kckk kcko kckr kcky kcof kcor kcrc kcro kcrr kcry kcyk kcyy kfcf kfco kfcr kfcy kfff kffk kfok kfoo kfor kfoy kfrc kfro kfrr kfry kfyo kfyr kkck kkco kkcr kkcy kkfr kkkk kkoo kkor kkoy kkrc kkrf kkrk kkro kkrr kkyc kkyy kocf kock kofc koff kofk kofo kofy kokc kokf kokk koko kokr koky kooc kook kooo koor korc korf kork koro korr koyf koyo koyy krcc krco krfc krff krfo krkc krkk krko krkr krky kroc krof krok kroo kror kroy krrc krrf krrk krro krrr krry kryk kryo kryy kycc kyck kycr kyfr kykc kykk kykr kyky kyok kyoo kyor kyoy kyrc kyrf kyrk kyro kyyk kyyo kyyy occc ocro ocrr ofcr off- offc offo offr offy ofor okko okok okor okro okyo oocr ooff oofy ooky oooo oory orco orff orko oro- orof orok oror oroy orro orry rccc rcfc rcyc rffc rkkf rocc rock roco rofc roff rofo rokk roko rokr roky roof rook roor rorc rork roro rory rrfc rrrr ryck ryff ryyf yccc ykko yock yoff yoko yoky yoof yook york yoro yory yoyo yrof yyff yyyy