c-cd cccc cccs ccdc ccdr ccds cckw ccoc ccod ccow ccrc ccrs ccrt ccsd ccss ccst cctc cctt cd-r cdcs cddr cdos cdot cdrs cdss ckck ckco ckcs ckcw ckdo ckoc ckoo ckor ckos ckot ckrc ckrd ckrw ckso ckst cksw ckts ckwd ckwr ckws ckww cock coco coct codd cods cok- coko cood cook coos coot cor- corc cord cork coro corr cors cort cosc coso coss cost cotc coto cots cott cotw cowd cows cowt crcc crcr crdc crkc croc crod crok croo cror crot crow crrt crss crst crtc crts crwd cscc cscd csco cscr cscs csdr csks csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts cswk csws ctor ctos ctot ctrc ctrs ctsc ctss ctts cttw cwos cwot cwrw cwts dccc dccs dcct dcds dcos dcrk dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dkdc dock doco docs doct dod- dodd dodo dods doko dood dook door doos doot dorc dord dork doro dorr dors dort dosk doso doss dost dotd dotk doto dots dott dowd dowk dowr dows dowt drkw drod drot drow drrs dscc dscr dscs dsdr dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtor dtot dtss dwct dwcw dwdd dwkc dwkt dwok dwor dwrd dwrk dwrt dwrw dwsk dwsr dwst dwts dwww k-os kccc kccd kcck kccr kcct kcdc kcdd kcdr kcds kckc kckk kcko kckr kcor kcos kcot kcow kcrc kcro kcrr kcrs kcrt kcrw kcsc kcsd kcsr kcss kcst kctc kcto kcwc kcwd kcwk kcwr kcwt kdcc kdcd kdco kdcr kddc kddd kddk kddr kdkd kdkk kdko kdkr kdkt kdoc kdok kdot kdow kdro kdrs kdrw kdsc kdsd kdsk kdsr kdss kdst kdtd kdtr kdwd kkcd kkck kkco kkcr kkcs kkct kkcw kkdc kkdd kkdo kkdt kkkk kkoo kkor kkot kkow kkrc kkrk kkro kkrr kkrs kkrt kksd kksr kkss kkst kksw kktc kktk kkts kkwd kkwk kkws kocd kock kocs koct kocw kodk kodo kods kodt kokc kokk koko kokr koks kooc kook kooo koor koos koot korc kord kork koro korr kors kort kos- kosc kosd koso kosr koss kost kotc kotd kotk koto kotr kots kott kowd kowr krcc krcd krco krcs krcw krdc krdd krdo krdr krds krkc krkd krkk krko krkr krks krkw kroc krod krok kroo kror kros krow krrc krrk krro krrr krrs krrt krrw krsc krsd krsk krsr krss krst krsw krtc krtk krto krtr krts krwc krwk krwr ksck ksco kscr kscs ksdc ksdk ksdr ksds ksdw kskd kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksow ksro ksrr ksrs ksrt ksrw ksso kssr ksss ksst kstc kstk ksto kstr ksts kstt kstw kswc kswd kswo ksws kswt ksww ktcc ktck ktco ktcr ktcs ktdc ktdd ktdk ktdo ktdr ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktor ktot ktrc ktrk ktro ktrr ktrs ktrt ktrw ktsc ktsd ktso ktsr ktst ktsw kttc kttk ktto kttr ktts kttt kttw ktwd ktwo ktws kwcd kwck kwcr kwdc kwdd kwdk kwdr kwdt kwdw kwkc kwkk kwkr kwkw kwoc kwod kwok kwor kwos kwow kwrd kwrk kwro kwrr kwrs kwrt kwrw kwsc kwsd kwsk kwso kwss kwst kwsw kwtd kwto kwtr kwts kwtw kwwk kwwr kwws kwwt occc occt ocds ocks ocos ocro ocrr ocrs ocsw oct- octo octs oddd odds odoo odor odos odot odso odts okko okok okor okot okro okso okto oocr oooo ooos oord oort oost oots ootw orco orcs ordo ords orko oro- orok oror oros orot orro orrs orsk orso ortc orto orts orwo oscc osco osoo osor osos osow osrd osro ossd osso ostc ostr osts otcd oto- otok otoo otor otos otow otro otrs otso otto otts otwo owow owt- owtt rccc rccs rcdc rcds rcos rcrd rcsc rcsd rcss rctc rcts rdoc rdos rdso rkos rkss rkts rocc rock roco rocs rodd rodo rods rodw rokk roko rokr roks rood rook roor roos root rorc rork roro rort rosc roso ross rost rotc rotk roto rotr rots rott rowd rowk rowr rows rowt roww rrrr rscc rscs rsdd rsds rsos rsts rtcc rtdt rtss rtts rwcs s-os sccc sccs scct scdc scds sck- scok scoo scor scot scow scr- scrc scrs scsc scsd scso scsr scst sctc sctd scto sctr scts sdcc sdco sddc sdds sdot sdrc sdrs sdsc sdss skor skot skow skrt sksd skss skws sock soco socr socs sodd sodo sods sokk soko sood sook soor soos soot sord soro sorr sors sort soso soss sost sotc sotk soto sots sotw sowd sowk sowr sows sowt srcc srct sros srsd srtr sscc sscs ssdc ssdd ssoc ssot ssrc ssrs sssc ssss sstc sstd ssts ssws stcc stcs stds stks stod stok stoo stor stos stot stow strc strd strk stro strs stss sttc sttd sttr stwd swcc swod swoo swor swot swow swsd swss swts tccc tcdd tcos tctc tcts tdkr tdor tdss tkod tkos tkts tock toco todd todo tods todt toko tood took toor toos toot torc tord tork toro torr tors tort tosc tosk toso toss tost totc totd toto totr tots tott towk tows trcc troc trod troo tros trot trow trsd trst trtc trtr tscc tsks tsos tssr tsst tstc tsts ttss tttt twdt two- twoc twod twoo twos twot twss wccc wccd wcck wcco wccr wccs wcct wccw wcdc wcdd wcdk wcdo wcds wcdt wcdw wckk wckr wcks wckt wckw wcoc wcok wcoo wcor wcos wcot wcrc wcrk wcro wcrr wcrs wcrt wcrw wcsc wcsd wcsk wcso wcsr wcss wcst wcsw wctc wctk wcto wctr wcts wctt wctw wcwc wdcc wdcd wdck wdco wdcr wdct wdcw wddc wddd wddk wddo wddw wdkc wdkd wdkr wdks wdkw wdoc wdod wdok wdor wdos wdow wdrc wdrk wdrr wdrt wdsc wdsd wdso wdsr wdst wdtk wdtr wdtw wdwd wdwr wdws wkcd wkco wkcs wkct wkcw wkdd wkdk wkdo wkdr wkds wkdw wkkc wkkd wkko wkkr wkks wkkt wkkw wkoc wkok wkoo wkor wkos wkot wkow wkrc wkrd wkrk wkro wkrr wkrs wkrt wksc wksd wksk wkso wksr wkss wkst