bbbb bbbs bbcm bbrc bcbc bcbs bccc bccm bccs bcms bcrs bcru bcsc bcsm bcss bctc bcts bcuc bmtc bmts bmus brcb brkb brmc brrm brrr brrs brsb brsr brst brtc bruc brum brus brut bscs bskt bsms bsmt bsrm bssc bssm bsts btcc btcs btrc btrt btss bttb btus bubb bubs bubu bucc buck bucs bucu bukk buku bum- bumb bums bur- burb burk burm burr burs burt buru busc busk buss bust busu but- buts butt buus cbbc cbbs cbcc cbcm cbcr cbcs cbct cbcu cbkm cbkr cbms cbrm cbrt cbsc cbsm cbtc cbus ccbc cccb cccc cccm cccs cccu cckm ccmb ccmc ccmm ccms ccrc ccrs ccrt ccss ccst cctb cctc cctt ccuc ccus ccut ckbc ckck ckcm ckcs ckrc ckrm cksb ckst cktb ckts cmbc cmbs cmcc cmcs cmmb cmmc cmms cmrr cmrs cmsc cmst cmtc cmtu cmus crbc crbu crcc crcr crkc crmb crms crrt crss crst crtc crtm crts crub cruk crum crus crut csbm cscb cscc cscr cscs csks csmc csmu csrc csrs cssm cssr cstc cstm cstr csts csum csur csus ctbs ctrc ctrm ctrs ctsc ctss ctsu ctts cub- cubb cubs cucc cuck cucm cuk- cum- cums cumt curb curr curs curt cusb cusk cuss cust cusu cut- cutc cuts cutt kbbb kbbc kbbk kbbm kbbr kbbs kbbt kbbu kbcb kbck kbcr kbcs kbct kbcu kbkb kbkk kbkr kbmb kbmc kbmr kbms kbmt kbrb kbrc kbrk kbrt kbru kbsb kbsk kbsm kbsr kbss kbst kbsu kbtb kbtc kbtk kbtm kbtr kbts kbtt kbub kbuc kbuk kbur kbus kbut kbuu kcbc kcbk kcbr kcbs kcbu kccb kccc kcck kccr kcct kccu kckc kckk kckm kckr kcmb kcmc kcmk kcmm kcmr kcms kcmt kcrc kcrr kcrs kcrt kcru kcsb kcsc kcsm kcsr kcss kcst kcsu kctb kctc kctu kcub kcuk kkbb kkbr kkbs kkbt kkcb kkck kkcm kkcr kkcs kkct kkkk kkmc kkmk kkmr kkms kkmt kkrb kkrc kkrk kkrr kkrs kkrt kksm kksr kkss kkst kksu kktc kktk kkts kktu kkus kkut kkuu kmbc kmbr kmbs kmcb kmcc kmcm kmcr kmcs kmcu kmkk kmks kmkt kmmk kmmm kmmr kmms kmmt kmrb kmrc kmrr kmrs kmsb kmsc kmsr kmss kmst kmsu kmtb kmtc kmtk kmtr kmts kmtt kmuc kmur kmus krbb krbk krbm krbr krbt krcb krcc krcm krcs krcu krkc krkk krkr krks krku krmb krmc krmr krms krmt krrb krrc krrk krrm krrr krrs krrt krsc krsk krsr krss krst krsu krtc krtk krtm krtr krts kruc kruk krum krur ksbc ksbr ksbs kscb ksck kscm kscr kscs kscu kskb kskk kskr ksks ksku ksmb ksmc ksmm ksmr ksms ksmt ksmu ksrb ksrm ksrr ksrs ksrt kssm kssr ksss ksst kssu kstb kstc kstk kstm kstr ksts kstt kstu ksub ksum ksut ksuu ktbb ktbc ktbr ktbt ktbu ktcc ktck ktcm ktcr ktcs ktkb ktkc ktkk ktkr ktks ktkt ktku ktmb ktmc ktmk ktmm ktmr ktms ktmt ktmu ktrb ktrc ktrk ktrm ktrr ktrs ktrt ktru ktsc ktsm ktsr ktst ktsu kttc kttk kttr ktts kttt kttu ktub ktuc ktum kubb kubc kubr kubs kubu kucb kucc kucr kukk kuks kuku kumm kumr kumt kumu kurb kurk kurm kurr kurs kurt kuru kusb kusc kust kusu kutr kuts kutt kutu kuub kuuk kuur kuuu mbbs mbcs mbms mbrs mbus mcbc mccc mckk mcmc mcmt mcrc mcss mcst mctc mctk mcts mctu mkks mksm mkts mmcc mmcm mmcs mmct mmmc mmmm mmms mmrc mmsc mmst mmsu mmts mmus mr-c mrbb mrbm mrbs mrcb mrcc mrcs mrkr mrmc mrrc mrsc mrtm mrts mrtt mruk mscc msmb msmc msmm msms msmu msrb msrt mssm mssr msst mstc mstr msts msus mtbc mtbs mtcr mtrc mtrr mtss mtst mttr mtts mtuc mubs muc- mucc muck mucu mumm mums mumu murc murk murr murs murt muru musc musk muss must musu muts mutt mutu muut rbbb rbbr rbbs rbmk rbms rbss rbst rcbc rccb rccc rccs rcms rcsc rcss rctc rcts rkss rkts rmbs rmsc rmst rmtu rrkm rrmc rrrr rrum rscc rscs rsts rstu rsum rtcc rtcm rtmc rtms rtss rtts rubb rubs rubu ruck ruct rukk ruku rumb rumm rums rumt rurc rurs ruru rusk russ rust rusu ruts rutt rutu sbbs sbcc sbcs sbct sbmc sbrk sbst sbtc sbtk sbus sccc sccm sccs scct sck- scmc scmm scms scr- scrc scrs scsc scsr scst scsu sctc sctr scts scub scum scur scut skrt skss skum skur skut smbc smcc smkb smrk smrt smsc smss smtc smtu smur smus smut srbc srcc srct srmc srtr srub ssbr sscc sscs ssmc ssrc ssrm ssrs sssb sssc sssm ssss sstb sstc ssts stbc stbs stcc stcs stcu stks stmc stms stmt strc strk strs stru stsm stss sttc sttr stub stuc stuk stum stur stus stut sub- subb subm subs suc- succ suck sucr sucs suks suku sum- sums sumu sur- surc surr surs surt suru sus- susk suss sust susu sutu suum suus tbbs tbcb tbcc tbrb tbst tcbs tccc tccu tctc tcts tkts tmbc tmbr tmcc tmcm tmmk tmsc tmtt trcc trmb trmk trms trmu trst trtc trtr trub truc truk trus trut truu tsbc tscc tsks tsmc tssm tssr tsst tstc tstm tsts tsum ttbb ttms ttss tttt tubb tubr tubs tubu tucc tuck tuks tumb tums tumu turb turc turk turm turr turs turt turu tusc tusk tusm tuss tust tuts tutt tutu tuum ucbc ucmc ucrc ucsb ucsc ucsm ucst ucsu ucut ukcc ukrc uksc ukum ukur umb- umms umsu umts umus umut urbs urss ursu urts uruk urum urur urus urut us-k usbc usbr usbs uscc uscm uscs usmc usmm usms ussb ussc ussr usss usst ussu ustb ustc ustm usts usus utmb utsc uttu uuuu