bbbb bbbs bbcm bbdd bbrc bcbc bcbs bccc bccm bccs bcds bcms bcrs bcru bcsc bcsm bcss bctc bcts bcuc bd-r bdbc bddc bdrm bdsd bdsm bmdb bmtc bmts bmus brcb brdm brds brdt brkb brmc brrm brrr brrs brsb brsr brst brtc bruc brud brum brus brut bsbd bscs bskt bsms bsmt bsrd bsrm bssc bssd bssm bsts btcc btcs btdt btrc btrt btss bttb btus bubb bubs bubu bucc buck bucs bucu budb budd buds budu bukk buku bum- bumb bums bur- burb burd burk burm burr burs burt buru busc busk buss bust busu but- buts butt buus c-cd cbbc cbbs cbcc cbcm cbcr cbcs cbct cbcu cbdb cbdc cbds cbkm cbkr cbms cbrd cbrm cbrt cbsc cbsm cbtc cbus ccbc cccb cccc cccm cccs cccu ccdc ccdm ccdr ccds cckm ccmb ccmc ccmd ccmm ccms ccrc ccrs ccrt ccsd ccss ccst cctb cctc cctt ccuc ccus ccut cd-r cdcs cddb cddr cdms cdrs cdss ckbc ckck ckcm ckcs ckdm ckdu ckrc ckrd ckrm cksb ckst cktb ckts cmbc cmbs cmcc cmcs cmdb cmdr cmmb cmmc cmms cmrr cmrs cmsc cmst cmtc cmtu cmus crbc crbu crcc crcr crdc crkc crmb crms crrt crss crst crtc crtm crts crub crud cruk crum crus crut csbm cscb cscc cscd cscr cscs csdb csdr csks csmc csmu csrc csrd csrs cssd cssm cssr cstc cstd cstm cstr csts csum csur csus ctbs ctrc ctrm ctrs ctsc ctss ctsu ctts cub- cubb cubs cucc cuck cucm cuds cuk- cum- cums cumt curb curd curr curs curt cusb cusd cusk cuss cust cusu cut- cutc cuts cutt dbcc dbcs dbms dbrs dbss dbtt dbus dcbc dccb dccc dccs dcct dccu dcdb dcds dcms dcmu dcrk dcsc dcss dctc dctm dcts dddd ddrc ddss ddts ddub dkdc dkms dmcc dmcm dmcs dmdc dmds dmdt dmrb dmrc dmss dmst dmts dmus drbc drmk drms drrs drub druk drum drus drut druu dsbc dscc dscr dscs dsdm dsdr dsmb dsmc dsms dsrc dsrr dssc dsst dstc dsts dtcc dtss dub- dubb dubc dubs dubu duck ducs duct dudd duds dudu dukt duku dumb dumm dums durk durt duru dusk dust duts duur duut kbbb kbbc kbbd kbbk kbbm kbbr kbbs kbbt kbbu kbcb kbck kbcr kbcs kbct kbcu kbdb kbdr kbds kbkb kbkk kbkr kbmb kbmc kbmr kbms kbmt kbrb kbrc kbrd kbrk kbrt kbru kbsb kbsk kbsm kbsr kbss kbst kbsu kbtb kbtc kbtk kbtm kbtr kbts kbtt kbub kbuc kbud kbuk kbur kbus kbut kbuu kcbc kcbd kcbk kcbr kcbs kcbu kccb kccc kccd kcck kccr kcct kccu kcdc kcdd kcdr kcds kcdu kckc kckk kckm kckr kcmb kcmc kcmd kcmk kcmm kcmr kcms kcmt kcrc kcrr kcrs kcrt kcru kcsb kcsc kcsd kcsm kcsr kcss kcst kcsu kctb kctc kctu kcub kcuk kdbb kdbm kdbr kdbs kdcc kdcd kdcr kddb kddc kddd kddk kddr kdkb kdkd kdkk kdkr kdkt kdmc kdmd kdmr kdms kdmt kdrb kdrm kdrs kdsc kdsd kdsk kdsm kdsr kdss kdst kdsu kdtd kdtr kdub kduc kdur kdus kdut kkbb kkbd kkbr kkbs kkbt kkcb kkcd kkck kkcm kkcr kkcs kkct kkdc kkdd kkdm kkdt kkkk kkmc kkmk kkmr kkms kkmt kkrb kkrc kkrk kkrr kkrs kkrt kksd kksm kksr kkss kkst kksu kktc kktk kkts kktu kkus kkut kkuu kmbc kmbd kmbr kmbs kmcb kmcc kmcd kmcm kmcr kmcs kmcu kmdb kmdr kmds kmkk kmks kmkt kmmk kmmm kmmr kmms kmmt kmrb kmrc kmrr kmrs kmsb kmsc kmsd kmsr kmss kmst kmsu kmtb kmtc kmtk kmtr kmts kmtt kmuc kmud kmur kmus krbb krbd krbk krbm krbr krbt krcb krcc krcd krcm krcs krcu krdc krdd krdm krdr krds krdu krkc krkd krkk krkr krks krku krmb krmc krmd krmr krms krmt krrb krrc krrk krrm krrr krrs krrt krsc krsd krsk krsr krss krst krsu krtc krtk krtm krtr krts kruc kruk krum krur ksbc ksbr ksbs kscb ksck kscm kscr kscs kscu ksdc ksdk ksdm ksdr ksds kskb kskd kskk kskr ksks ksku ksmb ksmc ksmd ksmm ksmr ksms ksmt ksmu ksrb ksrm ksrr ksrs ksrt kssm kssr ksss ksst kssu kstb kstc kstk kstm kstr ksts kstt kstu ksub ksud ksum ksut ksuu ktbb ktbc ktbr ktbt ktbu ktcc ktck ktcm ktcr ktcs ktdb ktdc ktdd ktdk ktdm ktdr ktkb ktkc ktkk ktkr ktks ktkt ktku ktmb ktmc ktmd ktmk ktmm ktmr ktms ktmt ktmu ktrb ktrc ktrk ktrm ktrr ktrs ktrt ktru ktsc ktsd ktsm ktsr ktst ktsu kttc kttk kttr ktts kttt kttu ktub ktuc ktum kubb kubc kubd kubr kubs kubu kucb kucc kucd kucr kudd kudu kukk kuks kuku kumm kumr kumt kumu kurb kurd kurk kurm kurr kurs kurt kuru kusb kusc kusd kust kusu kutr kuts kutt kutu kuub kuuk kuur kuuu mbbs mbcs mbdb mbms mbrs mbus mcbc mccc mccd mcdc mcdd mckk mcmc mcmt mcrc mcrd mcsd mcss mcst mctc mctk mcts mctu mdcc mddm mdds mdmc mdmk mdrc mdsd mdst mdud mkks mksm mkts mmcc mmcd mmcm mmcs mmct mmdb mmdc mmds mmmc mmmd mmmm mmms mmrc mmsc mmsd mmst mmsu mmts mmus mr-c mrbb mrbm mrbs mrcb mrcc mrcs mrdd mrds mrkr mrmc mrmd mrrc mrsc mrsd mrtm mrts mrtt mrud mruk mscc msdc msmb msmc msmm msms msmu msrb msrt mssm mssr msst mstc mstr msts msud msus mtbc mtbd mtbs mtcr mtrc mtrr mtss mtst mttr mtts mtuc mubs muc- mucc muck mucu mudd muds mudu mumm mums mumu murc murd murk murr murs murt muru musc musd musk muss must musu muts mutt mutu muut rbbb rbbr rbbs rbds rbmk rbms rbsd rbss rbst rcbc rccb rccc rccs rcdc rcds rcms rcrd rcsc rcsd rcss rctc rcts rdbm rdcm rdms rkss rkts rmbs rmsc rmst rmtu rrkm rrmc rrrr rrum rscc rscs rsdd rsds rsts rstu rsum rtcc rtcm rtdt rtmc rtms rtss rtts rubb rubs rubu ruck ruct rudd ruds rukk ruku rumb rumm rums rumt rurc rurd rurs ruru rusk russ rust rusu ruts rutt rutu ruud sbbs sbcc sbcs sbct sbds sbmc sbrk sbsd sbst sbtc sbtk sbus