b-u bbb bbc bbk bbm bbo bbr bbt bbu bcb bcc bck bcm bco bcr bct bcu bkb bkc bkk bkm bko bkr bkt bmb bmc bmk bmm bmo bmr bmt bmu bob boc bok bom boo bor bot bou brb brk brm bro brr brt bru btb btc btk btm bto btr btt btu bub buc buk bum buo bur but buu c-- cbb cbc cbk cbm cbo cbr cbt cbu ccb ccc cck ccm cco ccr cct ccu ckb ckc ckm cko ckt cmb cmc cmk cmm cmo cmr cmt cmu co- cob coc cok com coo cor cot cou crb crc crk crm cro crr crt cru ctb ctc ctk ctm cto ctr ctt ctu cub cuc cuk cum cuo cur cut cuu k-t kbb kbc kbk kbm kbo kbr kbu kcb kcc kck kcm kcr kct kcu kkb kkc kkk kkm kkr kkt kku kmb kmc kmk kmm kmo kmt kmu kob koc kok kom koo kor kot kou krc krk kro krr krt kru ktb ktc ktk ktm kto ktr ktt ktu kub kuc kuk kum kur kut kuu m-o m-r mbb mbc mbk mbm mbo mbr mbt mbu mc- mcb mcc mck mcm mco mcr mct mcu mkb mkc mkk mkm mko mkr mkt mku mmb mmc mmk mmm mmo mmr mmt mmu mob moc mok mom moo mor mot mou mrb mrc mrk mrm mro mrr mrt mru mtb mtc mtk mtm mto mtr mtt mtu mub muc muk mum mur mut muu ob- obb obc obk obm obo obr obt obu oc- ocb occ ock ocm oco ocr oct ocu okb okc okk oko okr oku om- omb omc omm omo omr omt omu oo- oob ooc ook oom ooo oor oot or- orb orc ork orm oro orr ort oru ot- otb otc otk otm oto otr ott otu ou- ouc ouk oum ouo our out rbb rbc rbk rbm rbo rbr rbt rbu rcb rcc rcm rco rcr rct rcu rkb rkc rkk rkm rko rkt rku rmb rmc rmm rmo rmr rmt rob roc rok rom roo ror rot rou rrb rrc rrk rrm rrr rrt rru rtb rtc rtk rtm rto rtr rtt rtu rub ruc ruk rum ruo rur rut ruu tbb tbc tbk tbm tbo tbr tbt tbu tcb tcc tck tcm tco tcr tct tcu tkb tkc tkk tkm tko tkr tkt tmb tmc tmk tmm tmo tmr tmt tmu to- tob toc tok tom too tor tot tou trb trc trk trm tro trr trt tru ttb ttc ttk ttm tto ttr ttt ttu tub tuc tuk tum tuo tur tut tuu ubb ubc ubk ubo ubr ubt ubu ucb ucc uck ucm uco ucr uct ucu ukb ukc ukk ukr uku um- umb umc umm umo umr umt umu uob uoc uok uom uoo uor uot ur- urb urc urk urm uro urr urt uru utb utc utk utm uto utr utt utu uuc uum uur uut uuu

bbbb bbcm bbrc bcbc bccc bccm bcor bcru bctc bcuc bmoc bmtc bobb bobo bobu bock bocm boco bocu boko boku bomb bomt bomu boob booc book boom boor boot bor- bork borm boro borr bort boru botb boto bott bouk boum bour bout brcb brkb brmc brob broc brok brom broo bror brot brou brrm brrr brtc bruc brum brut btcc btob btor btrc btrt bttb bubb bubo bubu bucc buck buco bucu bukk buko buku bum- bumb bur- burb burk burm buro burr burt buru but- buto butt c-bo cbbc cbcc cbcm cbcr cbct cbcu cbkm cbko cbkr cbot cbrm cbrt cbtc ccbc cccb cccc cccm cccu cckm ccmb ccmc ccmm ccob ccoc ccom ccrc ccrt cctb cctc cctt ccuc ccut ckbc ckck ckcm ckco ckmo ckob ckoc ckom ckoo ckor ckot ckrc ckrm cktb cmbc cmcc cmmb cmmc cmoc cmot cmrr cmtc cmtu cobb cobo cobu cock coco coct cocu cok- coko com- comb comc comm como comr comu coob cook coom coot cor- corb corc cork corm coro corr cort cotb cotc coto cott cotu coub couk cour cout crbc crbu crcc crcr crkc crmb crmo crob croc crok crom croo cror crot crrt crtc crtm crub cruk crum crut ctmo ctor ctot ctrc ctrm cub- cubb cucc cuck cucm cuk- cum- cumt curb curo curr curt cut- cutc cuto cutt kbbb kbbc kbbk kbbm kbbo kbbr kbbt kbbu kbcb kbck kbco kbcr kbct kbcu kbkb kbkk kbko kbkr kbmb kbmc kbmo kbmr kbmt kbob kboc kbok kboo kbot kbrb kbrc kbrk kbro kbrt kbru kbtb kbtc kbtk kbtm kbto kbtr kbtt kbub kbuc kbuk kbur kbut kbuu kcbc kcbk kcbr kcbu kccb kccc kcck kccr kcct kccu kckc kckk kckm kcko kckr kcmb kcmc kcmk kcmm kcmo kcmr kcmt kcob kcom kcor kcot kcou kcrc kcro kcrr kcrt kcru kctb kctc kcto kctu kcub kcuk kkbb kkbo kkbr kkbt kkcb kkck kkcm kkco kkcr kkct kkkk kkmc kkmk kkmo kkmr kkmt kkob kkoo kkor kkot kkrb kkrc kkrk kkro kkrr kkrt kktc kktk kktu kkut kkuu kmbc kmbr kmcb kmcc kmcm kmco kmcr kmcu kmkk kmko kmkt kmmk kmmm kmmo kmmr kmmt kmob kmoc kmok kmom kmor kmot kmou kmrb kmrc kmro kmrr kmtb kmtc kmtk kmtr kmtt kmuc kmur kobb kobc kobk kobo kobr kobu kocb kock kocm koct kokb kokc kokk koko kokr koku komb komc komo komr komt koob kooc kook kooo koor koot koou korb korc kork koro korr kort koru kotb kotc kotk kotm koto kotr kott kotu koub koum kour kout kouu krbb krbk krbm krbr krbt krcb krcc krcm krco krcu krkc krkk krko krkr krku krmb krmc krmo krmr krmt krob kroc krok krom kroo kror krrb krrc krrk krrm krro krrr krrt krtc krtk krtm krto krtr kruc kruk krum krur ktbb ktbc ktbr ktbt ktbu ktcc ktck ktcm ktco ktcr ktkb ktkc ktkk ktko ktkr ktkt ktku ktmb ktmc ktmk ktmm ktmo ktmr ktmt ktmu ktob ktoc ktok ktoo ktor ktot ktrb ktrc ktrk ktrm ktro ktrr ktrt ktru kttc