cccc cccf cccl ccfc ccff ccfl cckw cclc ccoc ccow ccrc ccrf ccrl cfcf cfcl cfco cfcw cffr cfor cfrw cfwc ckck ckcl ckco ckcw ckfr cklf cklw ckoc ckoo ckor ckrc ckrw ckwr ckww clof clok cloo clor clow clro cock coco cofc coff cok- coko col- colk coll colo coof cook cool cor- corc corf cork corl coro corr cowl crcc crcr crfc crfl crkc crkl crlf croc crok crol croo cror crow cwfc cwrw f--k fccf ffcc ffff ffrr flcl floc flok floo flor flow fock foco fofo folc folk foll folo folr foof fook fool for- fork forl foro forr fowk fowl frcc frfc frol frow fwcc fwfc k-lo kccc kcck kccl kccr kcfc kcfl kcfo kckc kckf kckk kckl kcko kckr kclc kclf kclk kcll kclr kclw kcof kcol kcor kcow kcrc kcro kcrr kcrw kcwc kcwf kcwk kcwl kcwr kfcf kfco kfcr kfcw kfff kffk kflc kflf kfll kflo kflw kfok kfoo kfor kfrc kfro kfrr kfrw kfwr kkck kkcl kkco kkcr kkcw kkfr kkkk kklc kklf kkll kklo kkol kkoo kkor kkow kkrc kkrf kkrk kkrl kkro kkrr kkwf kkwk klcc klck klcl klcr klcw klfc klff klkc klkk klkl klko klkr kllc kllk kloc klok klol kloo klor klow klrc klrf klrk klrr klwl klwo kocf kock kocw kofc koff kofk kofo kokc kokf kokk koko kokr kolc kolf kolk koll kolo kolr kolw kooc kook kool kooo koor korc korf kork korl koro korr kowl kowr krcc krcl krco krcw krfc krff krfo krkc krkk krko krkr krkw krlc krlf krlw kroc krof krok krol kroo kror krow krrc krrf krrk krrl krro krrr krrw krwc krwk krwl krwr kwck kwcr kwfc kwfl kwfr kwkc kwkk kwkr kwkw kwlc kwlf kwlk kwoc kwof kwok kwol kwor kwow kwrf kwrk kwrl kwro kwrr kwrw kwwf kwwk kwwl kwwr lccc lcfc lcfr lcor lcrl lfcc llcc lllc llll lloc lloo locc lock loco loff lokk loko loll lolo looc loof look lool loor lork loro lowk lowl lowr loww lrfc lroc lrrc lrrr lwfc lwoo lwow occc oclc ocrl ocro ocrr ofcl ofcr off- offc offo offr ofor okko oklo okok okol okor okro olcc ollo olof olor oocr ooff oolo oooo orco orff orko orlo oro- orof orok oror orro orwo owlk owow rccc rcfc rffc rffl rkkf rlwc rocc rock roco rofc roff rofl rofo rokk roko rokr rolf rolk roll rolo roof rook rool roor rorc rork roro rowf rowk rowl rowr roww rrfc rrrr wccc wccf wcck wccl wcco wccr wccw wcfc wcfl wcfo wcfr wcfw wckf wckk wckl wckr wckw wclc wclf wclk wcll wclo wclr wclw wcoc wcok wcol wcoo wcor wcrc wcrk wcrl wcro wcrr wcrw wcwc wcwf wfcc wfcf wfcl wfco wfcr wffc wfff wfkl wflc wflf wflk wfll wflo wflr wflw wfor wfrc wfrf wfrk wfrl wfro wfrw wfwc wfwl wfwo wkcf wkcl wkco wkcw wkfc wkff wkfl wkkc wkkf wkkl wkko wkkr wkkw wklk wkll wklo wklr wkoc wkok wkol wkoo wkor wkow wkrc wkrk wkrl wkro wkrr wkwc wkwf wkwl wlcc wlck wlcl wlco wlcr wlfc wlff wlfk wlfl wlfr wlfw wlkf wlkk wlkl wlko wlkr wlkw wllf wlll wllr wllw wloc wlof wlok wlol wloo wlor wlrc wlrk wlro wlrr wlrw wlwc wlwf wlwk wlwl wocc wocl woco wocr wofc woff wofl wofr wokc wokk wokl woko wokr wokw wolf wolk woll wolr wolw wooc woof wook wool woow worc worf work worl woro worr worw wowc wowf wowl wowo woww wrck wrcl wrco wrcr wrcw wrfc wrff wrfk wrfl wrfw wrkc wrkf wrkk wrkl wrko wrkr wrkw wrlc wrlf wrlk wrll wrlr wroc wrok wrol wroo wrow wrrc wrrk wrrl wrro wrrw wrwc wrwr wwcf wwck wwcl wwco wwcr wwcw wwfc wwfl wwfr wwfw wwkc wwkf wwkl wwkr wwlc wwlf wwlk wwll wwlr wwlw wwof wwol wwor wwow wwrc wwrf wwrk wwrl wwrr wwrw wwwc wwwk wwwl wwwr wwww