c-cd cccc cccf cccs ccdc ccdf ccdr ccds ccfc ccfd ccff ccoc ccod ccrc ccrf ccrs ccrt ccsd ccsf ccss ccst cctc cctt cd-r cdcs cddr cdfs cdos cdot cdrs cdss cfcf cfco cfcs cfds cffr cfor cfos cfrt cftc cftk cftr ckck ckco ckcs ckdo ckfr ckoc ckoo ckor ckos ckot ckrc ckrd ckso ckst ckts cock coco coct codd cods cofc coff cofs coft cok- coko cood coof cook coos coot cor- corc cord corf cork coro corr cors cort cosc coso coss cost cotc coto cots cott crcc crcr crdc crfc crfs crkc croc crod crok croo cror crot crrt crss crst crtc crtf crts cscc cscd cscf csco cscr cscs csdr csfc csfr csks csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts ctcf ctfc ctfo ctfs ctor ctos ctot ctrc ctrs ctsc ctss ctts dccc dccs dcct dcds dcfc dcfs dcos dcrk dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dfcc dfco dfcs dfds dfdt dfrf dftr dfts dkdc dock doco docs doct dod- dodd dodo dods doff doko dood doof dook door doos doot dorc dord dorf dork doro dorr dors dort dosk doso doss dost dotd dotk doto dots dott drfc drod drof drot drrs dscc dscr dscs dsdr dsfc dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtfc dtor dtot dtss f--k fccf fcds fcot fcsc fcst fcto fdoc fdos fdot fdst fdtc ffcc ffff ffrr ffss fftf fock foco focs fofo food foof fook foos foot for- ford fork foro forr fors fort foso foss fost foto fots fott frcc frfc fros frot frsc frso frst fscc fsck fsfo fssc fssf ft-c ftcd ftfc ftos ftrs ftsr k-os kccc kccd kcck kccr kcct kcdc kcdd kcdr kcds kcfc kcfd kcfo kcft kckc kckf kckk kcko kckr kcof kcor kcos kcot kcrc kcro kcrr kcrs kcrt kcsc kcsd kcsf kcsr kcss kcst kctc kcto kdcc kdcd kdco kdcr kddc kddd kddf kddk kddr kdfc kdfo kdfr kdft kdkd kdkk kdko kdkr kdkt kdoc kdok kdot kdrf kdro kdrs kdsc kdsd kdsk kdsr kdss kdst kdtd kdtr kfcd kfcf kfco kfcr kfcs kfff kffk kfok kfoo kfor kfrc kfrd kfro kfrr kfrs kfsd kfsk kfsr kfst kftc kftk kftt kkcd kkck kkco kkcr kkcs kkct kkdc kkdd kkdo kkdt kkfr kkfs kkft kkkk kkoo kkor kkot kkrc kkrf kkrk kkro kkrr kkrs kkrt kksd kksf kksr kkss kkst kktc kktk kkts kocd kocf kock kocs koct kodk kodo kods kodt kofc koff kofk kofo koft kokc kokf kokk koko kokr koks kooc kook kooo koor koos koot korc kord korf kork koro korr kors kort kos- kosc kosd kosf koso kosr koss kost kotc kotd kotk koto kotr kots kott krcc krcd krco krcs krdc krdd krdo krdr krds krfc krfd krff krfo krfs krft krkc krkd krkk krko krkr krks kroc krod krof krok kroo kror kros krrc krrf krrk krro krrr krrs krrt krsc krsd krsf krsk krsr krss krst krtc krtk krto krtr krts ksck ksco kscr kscs ksdc ksdk ksdr ksds ksfc ksfo ksfr ksft kskd kskf kskk ksko kskr ksks ksoc ksof ksok ksoo ksor ksos ksrf ksro ksrr ksrs ksrt ksso kssr ksss ksst kstc kstk ksto kstr ksts kstt ktcc ktck ktco ktcr ktcs ktdc ktdd ktdf ktdk ktdo ktdr ktfc ktfo ktfs ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktor ktot ktrc ktrf ktrk ktro ktrr ktrs ktrt ktsc ktsd ktsf ktso ktsr ktst kttc kttf kttk ktto kttr ktts kttt occc occt ocds ocks ocos ocro ocrr ocrs oct- octo octs oddd odds odoo odor odos odot odso odts ofcr ofdr off- offc offo offr offs ofor ofst okko okok okor okot okro okso okto oocr ooff oofs oooo ooos oord oort oost oots orco orcs ordo ords orff orfs orko oro- orof orok oror oros orot orro orrs orsk orso ortc orto orts oscc osco osoo osor osos osrd osro ossd osso ostc ostr osts otcd otfc oto- otof otok otoo otor otos otro otrs otso otto otts rccc rccs rcdc rcds rcfc rcos rcrd rcsc rcsd rcss rctc rcts rdoc rdos rdso rfds rffc rftc rkkf rkos rkss rkts rocc rock roco rocs rodd rodo rods rofc roff rofo rokk roko rokr roks rood roof rook roor roos root rorc rork roro rort rosc roso ross rost rotc rotk roto rotr rots rott rrfc rrrr rscc rscs rsdd rsds rsfc rsos rsts rtcc rtdt rtfc rtss rtts s-os sccc sccs scct scdc scdf scds scfc sck- scok scoo scor scot scr- scrc scrs scsc scsd scso scsr scst sctc sctd scto sctr scts sdcc sdco sddc sdds sdfc sdot sdrc sdrs sdsc sdsf sdss sfcc sfco sfcs sfdc sfdk sffc sfor sfos sfrc sfro sfss sfts skfc skor skot skrt sksd skss sock soco socr socs sodd sodo sods sofo soft sokk soko sood soof sook soor soos soot sord soro sorr sors sort soso soss sost sotc sotk soto sots srcc srct srfc sros srsd srtr sscc sscs ssdc ssdd ssdf ssfc ssoc ssot ssrc ssrs sssc sssf ssss sstc sstd ssts stcc stcs stds stfc stks stod stof stok stoo stor stos stot strc strd strk stro strs stsf stss sttc sttd sttr tccc tcdd tcfc tcos tctc tcts tdff tdkr tdor tdss tfdc tfot tfrs tfsd tfss tftc tkod tkof tkos tkts tock toco todd todo tods todt toff tofo toft toko tood toof took toor toos toot torc tord torf tork toro torr tors tort tosc tosk toso toss tost totc totd toto totr tots tott trcc trfc trfd trfr troc trod troo tros trot trsd trst trtc trtr tscc tsfc tsks tsos tssf tssr tsst tstc tsts ttfc ttff ttss tttt