bbbb bbbs bbwc bbws bcbc bcbs bccc bccs bcos bcsc bcss bctc bcts bobb bobo bobs bobw bock boco bocs boko boks boob booc book boos boot boow bosc bosk boso boss bost botb boto bots bott botw bowk bows bowt bscs bskt bsos bssc bsts btcc btcs btob btss bttb btwc btwo bwoc c-bo cbbc cbbs cbcc cbcs cbct cbko cbot cbsc cbtc ccbc cccb cccc cccs cckw ccob ccoc ccow ccss ccst cctb cctc cctt ckbc ckck ckco ckcs ckcw ckob ckoc ckoo ckos ckot cksb ckso ckst cksw cktb ckts ckws ckww cobb cobo cobs cock coco coct cok- coko coob cook coos coot cosc coso coss cost cotb cotc coto cots cott cotw cows cowt cscb cscc csco cscs csks csob csos csot cstc csto csts cswk csws ctbs ctos ctot ctsc ctss ctts cttw cwos cwot cwts k-os kbbb kbbc kbbk kbbo kbbs kbbt kbbw kbcb kbck kbco kbcs kbct kbcw kbkb kbkk kbko kbkw kbob kboc kbok kboo kbos kbot kbow kbsb kbsk kbso kbss kbst kbsw kbtb kbtc kbtk kbto kbts kbtt kbtw kbwb kbwc kbww kcbc kcbk kcbs kcbw kccb kccc kcck kcct kckc kckk kcko kcob kcos kcot kcow kcsb kcsc kcss kcst kctb kctc kcto kcwb kcwc kcwk kcwt kkbb kkbo kkbs kkbt kkcb kkck kkco kkcs kkct kkcw kkkk kkob kkoo kkot kkow kkss kkst kksw kktc kktk kkts kkwb kkwk kkws kobb kobc kobk kobo kobs kocb kock kocs koct kocw kokb kokc kokk koko koks koob kooc kook kooo koos koot kos- kosb kosc koso koss kost kotb kotc kotk koto kots kott kowb ksbc ksbs ksbw kscb ksck ksco kscs kskb kskk ksko ksks ksob ksoc ksok ksoo ksos ksow ksso ksss ksst kstb kstc kstk ksto ksts kstt kstw kswb kswc kswo ksws kswt ksww ktbb ktbc ktbt ktcc ktck ktco ktcs ktkb ktkc ktkk ktko ktks ktkt ktob ktoc ktok ktoo ktot ktsc ktso ktst ktsw kttc kttk ktto ktts kttt kttw ktwb ktwo ktws kwbc kwbt kwbw kwck kwkb kwkc kwkk kwkw kwoc kwok kwos kwow kwsc kwsk kwso kwss kwst kwsw kwto kwts kwtw kwwk kwws kwwt obbo obkb obok obos obot obss obst obts ocbc occc occt ocks ocos ocsw oct- octo octs okko okok okot okso okto oooo ooos oost ootb oots ootw oscc osco osoo osos osow ossb osso ostc osts otbs oto- otok otoo otos otow otso otto otts otwo owow owt- owtt s-os sbbs sbcc sbcs sbct sbot sbst sbtc sbtk sccc sccs scct sck- scob scok scoo scot scow scsc scso scst sctc scto scts skot skow skss skws sobo sobs sobt sock soco socs sokk soko sook soos soot soso soss sost sotc sotk soto sots sotw sowk sows sowt sscc sscs ssoc ssot sssb sssc ssss sstb sstc ssts ssws stbc stbs stcc stcs stks stob stok stoo stos stot stow stss sttc swbc swbs swbw swcc swob swoo swot swow swss swts tbbs tbcb tbcc tbst tcbs tccc tcos tctc tcts tkos tkts tobo tobs tobt tock toco toko took toos toot tosb tosc tosk toso toss tost totc toto tots tott towk tows tsbc tscc tsks tsob tsos tsst tstc tsts ttbb ttss tttt twbt two- twob twoc twoo twos twot twss wbbb wbbk wbbo wbbs wbbt wbbw wbcb wbck wbco wbct wbcw wbkb wbkk wbko wbks wbkt wbkw wbob wboc wbok wbos wbow wbsb wbsc wbss wbst wbsw wbtc wbtk wbto wbts wbtt wbtw wbwb wbwc wbwo wbwt wcbc wcbs wcbt wcbw wccb wccc wcck wcco wccs wcct wccw wckb wckk wcks wckt wckw wcob wcoc wcok wcoo wcos wcot wcsb wcsc wcsk wcso wcss wcst wcsw wctb wctc wctk wcto wcts wctt wctw wcwb wcwc wkbc wkbk wkbo wkbw wkcb wkco wkcs wkct wkcw wkkb wkkc wkko wkks wkkt wkkw wkoc wkok wkoo wkos wkot wkow wksb wksc wksk wkso wkss wkst wksw wktc wktk wkto wkts wktt wkwc wkws wobb wobc wobo wobt wocb wocc woco wocs wokb wokc wokk woko woks wokw woob wooc wook woos woot woow woso woss wost wosw wotb wotc wots wott wotw wowb wowc wowo wows wowt woww wsbb wsbc wsbk wsbs wsbt wsbw wscb wscc wsco wscs wscw wskb wskk wsko wskw wsob wsoc wsok wsoo wsos wssc wsss wsst wssw wstb wstc wstk wsto wsts wstt wstw wswb wsws wswt wsww wtbb wtbc wtbk wtbo wtbs wtcb wtcc wtck wtco wtcs wtct wtcw wtkc wtkk wtks wtkt wtkw wtob wtoc wtok wtot wtow wtsb wtsk wtso wtss wttb wttc wtto wtts wttt wttw wtwb wtwk wtwo wtws wtwt wtww wwbb wwbc wwbt wwcb wwck wwco wwcs wwct wwcw wwkb wwkc wwks wwos wwot wwow wwsb wwsc wwsk wwss wwst wwtc wwtk wwtw wwwc wwwk wwws wwww