cccc cccf cccs ccfc ccff ccjo ccoc ccrc ccrf ccrs ccsf ccss cfcf cfco cfcs cffr cfjs cfor cfos cjcj cjcs cjfr cjor cjrc cjrj cjrs cjsf cjss ckck ckco ckcs ckfr ckjr ckjs ckoc ckoo ckor ckos ckrc ckso cock coco cofc coff cofs cojo cok- coko coof cook coos cor- corc corf cork coro corr cors cosc coso coss crcc crcr crfc crfs crkc croc crok croo cror crss cscc cscf csco cscr cscs csfc csfr csks csor csos csrc csrs cssr f--k fccf fccj fcsc ffcc ffff ffrr ffss focj fock foco focs fofo foof fook foos for- forj fork foro forr fors foso foss frcc frfc fros frsc frso fscc fsck fsfo fssc fssf j-ro jccc jcrc jcss jffs jjcc jkcs jock joco jofr jojo joof jook joor joos jorf jork joro joso joss jssr jsss k-os kccc kcck kccr kcfc kcfj kcfo kcjc kcjf kcjj kcjk kckc kckf kckj kckk kcko kckr kcof kcor kcos kcrc kcro kcrr kcrs kcsc kcsf kcsj kcsr kcss kfcf kfco kfcr kfcs kfff kffk kfjc kfjk kfok kfoo kfor kfrc kfrj kfro kfrr kfrs kfsk kfsr kjcc kjck kjcr kjcs kjff kjfk kjjf kjjj kjjk kjjo kjjr kjjs kjkj kjkk kjks kjoc kjoj kjok kjor kjrc kjrf kjsk kjsr kkcj kkck kkco kkcr kkcs kkfr kkfs kkjk kkkj kkkk kkoj kkoo kkor kkrc kkrf kkrk kkro kkrr kkrs kksf kksj kksr kkss kocf kock kocs kofc koff kofk kofo kojo kokc kokf kokk koko kokr koks kooc kook kooo koor koos korc korf kork koro korr kors kos- kosc kosf koso kosr koss krcc krco krcs krfc krff krfo krfs krjc krjk krjo krkc krkk krko krkr krks kroc krof krok kroo kror kros krrc krrf krrk krro krrr krrs krsc krsf krsj krsk krsr krss kscj ksck ksco kscr kscs ksfc ksfo ksfr ksjc ksjj ksjk ksjo ksjs kskf kskk ksko kskr ksks ksoc ksof ksok ksoo ksor ksos ksrf ksro ksrr ksrs ksso kssr ksss occc ocks ocos ocro ocrr ocrs ofcr off- offc offo offr offs ofor ojok ojos okko okok okor okro okso oocr ooff oofs oooo ooos orco orcs orff orfs orko oro- orof orok oror oros orro orrs orsk orso oscc osco osoo osor osos osro osso rccc rccs rcfc rcos rcsc rcss rffc rkkf rkos rkss rocc rock roco rocs rofc roff rofo rojo rojs rokk roko rokr roks roof rook roor roos rorc rork roro rosc roso ross rrfc rrrr rscc rscs rsfc rsos s-os sccc sccs scfc sck- scok scoo scor scr- scrc scrs scsc scso scsr sfcc sfco sfcs sffc sfor sfos sfrc sfro sfss sjcc sjcs skfc skoj skor skss sock soco socr socs sofo sokk soko soof sook soor soos soro sorr sors soso soss srcc srfc sros sscc sscs ssfc ssoc ssrc ssrs sssc sssf ssss