cccc cccf cccm cccs ccfc ccff cckm ccmc ccmm ccms ccoc ccom ccrc ccrf ccrs ccsf ccss cfcf cfcm cfco cfcs cffr cfmo cfms cfom cfor cfos ckck ckcm ckco ckcs ckfr ckmo ckoc ckom ckoo ckor ckos ckrc ckrm ckso cmcc cmcs cmmc cmms cmoc cmos cmrr cmrs cmsc cmsf cock coco cofc coff cofs cok- coko com- comc comm como comr coms coof cook coom coos cor- corc corf cork corm coro corr cors cosc cosm coso coss crcc crcr crfc crfs crkc crmo crms croc crok crom croo cror crss cscc cscf csco cscr cscs csfc csfr csks csmc csom csor csos csrc csrs cssm cssr f--k fccf fcmr fcsc ffcc ffff ffrr ffss fmcs fmsr fmss fock foco focs fofo fomc fomo foof fook foom foos for- fork form foro forr fors foso foss frcc frfc from fros frsc frsm frso fscc fsck fsfo fssc fssf k-os kccc kcck kccr kcfc kcfm kcfo kckc kckf kckk kckm kcko kckr kcmc kcmf kcmk kcmm kcmo kcmr kcms kcof kcom kcor kcos kcrc kcro kcrr kcrs kcsc kcsf kcsm kcsr kcss kfcf kfcm kfco kfcr kfcs kfff kffk kffm kfmf kfmk kfmm kfmo kfmr kfok kfom kfoo kfor kfrc kfrm kfro kfrr kfrs kfsk kfsm kfsr kkck kkcm kkco kkcr kkcs kkfm kkfr kkfs kkkk kkmc kkmk kkmo kkmr kkms kkoo kkor kkrc kkrf kkrk kkro kkrr kkrs kksf kksm kksr kkss kmcc kmcf kmcm kmco kmcr kmcs kmfc kmfm kmfr kmfs kmkf kmkk kmko kmks kmmf kmmk kmmm kmmo kmmr kmms kmoc kmok kmom kmor kmrc kmrf kmro kmrr kmrs kmsc kmso kmsr kmss kocf kock kocm kocs kofc koff kofk kofm kofo kokc kokf kokk koko kokr koks komc komo komr koms kooc kook kooo koor koos korc korf kork koro korr kors kos- kosc kosf koso kosr koss krcc krcm krco krcs krfc krff krfm krfo krfs krkc krkk krko krkr krks krmc krmo krmr krms kroc krof krok krom kroo kror kros krrc krrf krrk krrm krro krrr krrs krsc krsf krsk krsr krss ksck kscm ksco kscr kscs ksfc ksfm ksfo ksfr kskf kskk ksko kskr ksks ksmc ksmf ksmm ksmo ksmr ksms ksoc ksof ksok ksom ksoo ksor ksos ksrf ksrm ksro ksrr ksrs kssm ksso kssr ksss mccc mcfc mckk mcmc mcrc mcss mfcc mfor mfrs mkfc mkfm mkfs mkks mksm mmcc mmcm mmcs mmff mmmc mmmm mmms mmor mmrc mmrf mmsc mock moco mocs moff mofo moko momo moms mooc mook moor moos morf mork moro mors mosc mosk moso moss mr-c mrcc mrcs mrfc mrkr mrmc mrrc mrsc mscc msco msfc msff msfs msmc msmm msms msor mssf mssm mssr occc ocks ocms ocom ocos ocro ocrr ocrs ofcr off- offc offo offr offs ofor okko okmo okok okom okor okro okso omo- omoo omor omro omsk oocr ooff oofs ooms oooo ooos orco orcs orff orfs orko ormo oro- orof orok orom oror oros orro orrs orsk orso oscc osco osm- osmo osoo osor osos osro osso rccc rccs rcfc rcms rcos rcsc rcss rffc rkkf rkos rkss rmsc rocc rock roco rocs rofc roff rofo rokk roko rokr roks romk romm romo roms roof rook room roor roos rorc rork roro rosc roso ross rrfc rrkm rrmc rrrr rscc rscs rsfc rsos s-os sccc sccm sccs scfc scfm sck- scmc scmm scmo scms scok scom scoo scor scr- scrc scrs scsc scso scsr sfcc sfco sfcs sffc sfmm sfor sfos sfrc sfro sfss skfc skor skss smcc smoc smof smok smos smrf smrk smsc smss sock socm soco socr socs sofo sokk soko somm somo soof sook soom soor soos sorm soro sorr sors soso soss srcc srfc srmc sros sscc sscs ssfc ssmc ssoc ssrc ssrm ssrs sssc sssf sssm ssss