cccc cccf cccl cccs ccfc ccff ccfl cckw cclc ccls ccoc ccow ccrc ccrf ccrl ccrs ccsf ccsl ccss cfcf cfcl cfco cfcs cfcw cffr cfls cfor cfos cfrw cfsl cfwc ckck ckcl ckco ckcs ckcw ckfr cklf cklw ckoc ckoo ckor ckos ckrc ckrw cksl ckso cksw ckwr ckws ckww clof clok cloo clor clos clow clro clrs clsc cock coco cofc coff cofs cok- coko col- colk coll colo cols coof cook cool coos cor- corc corf cork corl coro corr cors cosc cosl coso coss cowl cows crcc crcr crfc crfl crfs crkc crkl crlf crls croc crok crol croo cror crow crss cscc cscf cscl csco cscr cscs csfc csfr csks cslr csor csos csrc csrs cssr cswk csws cwfc cwos cwrw cwsf f--k fccf fcsc fcsl ffcc ffff ffrr ffss flcl floc flok floo flor flos flow fock foco focs fofo folc folk foll folo folr fols foof fook fool foos for- fork forl foro forr fors foso foss fowk fowl frcc frfc frol fros frow frsc frso fscc fsck fsfo fssc fssf fwcc fwfc k-lo k-os kccc kcck kccl kccr kcfc kcfl kcfo kckc kckf kckk kckl kcko kckr kclc kclf kclk kcll kclr kcls kclw kcof kcol kcor kcos kcow kcrc kcro kcrr kcrs kcrw kcsc kcsf kcsr kcss kcwc kcwf kcwk kcwl kcwr kfcf kfco kfcr kfcs kfcw kfff kffk kflc kflf kfll kflo kfls kflw kfok kfoo kfor kfrc kfro kfrr kfrs kfrw kfsk kfsr kfsw kfwr kkck kkcl kkco kkcr kkcs kkcw kkfr kkfs kkkk kklc kklf kkll kklo kkls kkol kkoo kkor kkow kkrc kkrf kkrk kkrl kkro kkrr kkrs kksf kksr kkss kksw kkwf kkwk kkws klcc klck klcl klcr klcs klcw klfc klff klkc klkk klkl klko klkr klks kllc kllk klls kloc klok klol kloo klor klos klow klrc klrf klrk klrr klrs klsc klsf klsr klsw klwl klwo klws kocf kock kocs kocw kofc koff kofk kofo kokc kokf kokk koko kokr koks kolc kolf kolk koll kolo kolr kols kolw kooc kook kool kooo koor koos korc korf kork korl koro korr kors kos- kosc kosf koso kosr koss kowl kowr krcc krcl krco krcs krcw krfc krff krfo krfs krkc krkk krko krkr krks krkw krlc krlf krlw kroc krof krok krol kroo kror kros krow krrc krrf krrk krrl krro krrr krrs krrw krsc krsf krsk krsl krsr krss krsw krwc krwk krwl krwr ksck kscl ksco kscr kscs ksfc ksfo ksfr kskf kskk ksko kskr ksks kslc kslk ksll kslo kslr ksoc ksof ksok ksol ksoo ksor ksos ksow ksrf ksro ksrr ksrs ksrw kssl ksso kssr ksss kswc kswf kswo ksws ksww kwck kwcr kwfc kwfl kwfr kwfs kwkc kwkk kwkr kwkw kwlc kwlf kwlk kwls kwoc kwof kwok kwol kwor kwos kwow kwrf kwrk kwrl kwro kwrr kwrs kwrw kwsc kwsk kwsl kwso kwss kwsw kwwf kwwk kwwl kwwr kwws lccc lccs lcfc lcfr lcls lcor lcrl lcrs lcsc lcsr lfcc lkfs lkrs llcc llcs llks lllc llll lloc lloo locc lock loco locs loff lokk loko loll lolo lols looc loof look lool loor loos lork loro lors losc loso loss lowk lowl lowr lows loww lrcs lrfc lroc lrrc lrrr ls-r lsco lscs lsfc lsfw lsof lsrc lsso lssr lwfc lwoo lwow occc ocks oclc ocos ocrl ocro ocrr ocrs ocsw ofcl ofcr off- offc offo offr offs ofor okko oklo okok okol okor okro okso olcc olfs ollo olof olor olos oocr ooff oofs oolo oooo ooos orco orcs orff orfs orko orlo oro- orof orok oror oros orro orrs orsk orso orwo oscc oscl osco oslo osoo osor osos osow osro osso owlk owls owow rccc rccs rcfc rcls rcos rcsc rcsl rcss rffc rffl rkkf rkos rkss rlcs rlls rlwc rocc rock roco rocs rofc roff rofl rofo rokk roko rokr roks rolf rolk roll rolo roof rook rool roor roos rorc rork roro rosc roso ross rowf rowk rowl rowr rows roww rrfc rrrr rscc rscs rsfc rslc rsos rssl rwcs s-os sccc sccl sccs scfc sck- sckl scl- sclc sclk scls scok scol scoo scor scow scr- scrc scrs scsc scsl scso scsr sfcc sfco sfcs sfcw sffc sflc sfls sfor sfos sfrc sfro sfss skfc skol skor skow skss skws slcc sloc sloo slos slow slrc slrs slsc sock socl soco socr socs sofo sokk soko solf solk soll solo solr sols soof sook sool soor soos soro sorr sors soso soss sowf sowk sowl sowr sows srcc srfc sros sscc sscs ssfc ssfl sslc ssoc ssrc ssrl ssrs sssc sssf ssss ssws swcc swfc swoo swor swow swrl swss wccc wccf wcck wccl wcco wccr wccs wccw wcfc wcfl wcfo wcfr wcfs wcfw wckf wckk wckl wckr wcks wckw wclc wclf wclk wcll wclo wclr wcls wclw wcoc wcok wcol wcoo wcor wcos wcrc wcrk wcrl wcro wcrr wcrs wcrw wcsc wcsf wcsk wcsl wcso wcsr wcss wcsw wcwc wcwf wfcc wfcf wfcl wfco wfcr wfcs wffc wfff wfkl wfks wflc wflf wflk wfll wflo wflr wfls wflw wfor wfos wfrc wfrf wfrk wfrl wfro wfrs wfrw wfsc wfso wfsr wfss wfwc wfwl wfwo wkcf wkcl wkco wkcs wkcw wkfc wkff wkfl wkfs wkkc wkkf wkkl wkko wkkr wkks wkkw wklk wkll wklo wklr wkls wkoc wkok wkol wkoo wkor wkos wkow wkrc wkrk wkrl wkro wkrr wkrs wksc wksf wksk wksl wkso wksr wkss wksw wkwc wkwf wkwl wkws wlcc wlck wlcl wlco wlcr wlcs wlfc wlff wlfk wlfl wlfr wlfs wlfw wlkf wlkk wlkl wlko wlkr wlks wlkw wllf wlll wllr wllw wloc wlof wlok wlol wloo wlor wlos wlrc wlrk wlro wlrr wlrs wlrw wlsc wlsk wlso wlsr wlss wlsw wlwc wlwf wlwk wlwl wocc wocl woco wocr wocs wofc woff wofl wofr wokc wokk wokl woko wokr woks wokw wolf wolk woll wolr wols wolw wooc woof wook wool woos woow worc worf work worl woro worr wors worw wosf wosl woso woss wosw wowc wowf wowl wowo wows woww wrck wrcl wrco wrcr wrcs wrcw