bbb bbc bbk bbm bbo bbr bbt bcb bcc bck bcm bco bcr bct bkb bkc bkk bkm bko bkr bkt bmb bmc bmk bmm bmo bmr bmt bob boc bok bom boo bor bot brb brk brm bro brr brt btb btc btk btm bto btr btt c-- cbb cbc cbk cbm cbo cbr cbt ccb ccc cck ccm cco ccr cct ckb ckc ckm cko ckt cmb cmc cmk cmm cmo cmr cmt co- cob coc cok com coo cor cot crb crc crk crm cro crr crt ctb ctc ctk ctm cto ctr ctt k-t kbb kbc kbk kbm kbo kbr kcb kcc kck kcm kcr kct kkb kkc kkk kkm kkr kkt kmb kmc kmk kmm kmo kmt kob koc kok kom koo kor kot krc krk kro krr krt ktb ktc ktk ktm kto ktr ktt m-o m-r mbb mbc mbk mbm mbo mbr mbt mc- mcb mcc mck mcm mco mcr mct mkb mkc mkk mkm mko mkr mkt mmb mmc mmk mmm mmo mmr mmt mob moc mok mom moo mor mot mrb mrc mrk mrm mro mrr mrt mtb mtc mtk mtm mto mtr mtt ob- obb obc obk obm obo obr obt oc- ocb occ ock ocm oco ocr oct okb okc okk oko okr om- omb omc omm omo omr omt oo- oob ooc ook oom ooo oor oot or- orb orc ork orm oro orr ort ot- otb otc otk otm oto otr ott rbb rbc rbk rbm rbo rbr rbt rcb rcc rcm rco rcr rct rkb rkc rkk rkm rko rkt rmb rmc rmm rmo rmr rmt rob roc rok rom roo ror rot rrb rrc rrk rrm rrr rrt rtb rtc rtk rtm rto rtr rtt tbb tbc tbk tbm tbo tbr tbt tcb tcc tck tcm tco tcr tct tkb tkc tkk tkm tko tkr tkt tmb tmc tmk tmm tmo tmr tmt to- tob toc tok tom too tor tot trb trc trk trm tro trr trt ttb ttc ttk ttm tto ttr ttt

bbbb bbcm bbrc bcbc bccc bccm bcor bctc bmoc bmtc bobb bobo bock bocm boco boko bomb bomt boob booc book boom boor boot bor- bork borm boro borr bort botb boto bott brcb brkb brmc brob broc brok brom broo bror brot brrm brrr brtc btcc btob btor btrc btrt bttb c-bo cbbc cbcc cbcm cbcr cbct cbkm cbko cbkr cbot cbrm cbrt cbtc ccbc cccb cccc cccm cckm ccmb ccmc ccmm ccob ccoc ccom ccrc ccrt cctb cctc cctt ckbc ckck ckcm ckco ckmo ckob ckoc ckom ckoo ckor ckot ckrc ckrm cktb cmbc cmcc cmmb cmmc cmoc cmot cmrr cmtc cobb cobo cock coco coct cok- coko com- comb comc comm como comr coob cook coom coot cor- corb corc cork corm coro corr cort cotb cotc coto cott crbc crcc crcr crkc crmb crmo crob croc crok crom croo cror crot crrt crtc crtm ctmo ctor ctot ctrc ctrm kbbb kbbc kbbk kbbm kbbo kbbr kbbt kbcb kbck kbco kbcr kbct kbkb kbkk kbko kbkr kbmb kbmc kbmo kbmr kbmt kbob kboc kbok kboo kbot kbrb kbrc kbrk kbro kbrt kbtb kbtc kbtk kbtm kbto kbtr kbtt kcbc kcbk kcbr kccb kccc kcck kccr kcct kckc kckk kckm kcko kckr kcmb kcmc kcmk kcmm kcmo kcmr kcmt kcob kcom kcor kcot kcrc kcro kcrr kcrt kctb kctc kcto 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 kmbc kmbr kmcb kmcc kmcm kmco kmcr kmkk kmko kmkt kmmk kmmm kmmo kmmr kmmt kmob kmoc kmok kmom kmor kmot kmrb kmrc kmro kmrr kmtb kmtc kmtk kmtr kmtt kobb kobc kobk kobo kobr kocb kock kocm koct kokb kokc kokk koko kokr komb komc komo komr komt koob kooc kook kooo koor koot korb korc kork koro korr kort kotb kotc kotk kotm koto kotr kott krbb krbk krbm krbr krbt krcb krcc krcm krco krkc krkk krko krkr krmb krmc krmo krmr krmt krob kroc krok krom kroo kror krrb krrc krrk krrm krro krrr krrt krtc krtk krtm krto krtr ktbb ktbc ktbr ktbt ktcc ktck ktcm ktco ktcr ktkb ktkc ktkk ktko ktkr ktkt ktmb ktmc ktmk ktmm ktmo ktmr ktmt ktob ktoc ktok ktoo ktor ktot ktrb ktrc ktrk ktrm ktro ktrr ktrt kttc kttk ktto kttr kttt mcbc mccc mckk mcmc mcmt mcot mcrc mctc mctk mkto mmcc mmcm mmct mmmc mmmm mmor mmrc mobb mobo mock moco moko momo moob mooc mook moor moot morb mork moro mort motb motm moto mott mr-c mrbb mrbm mrcb mrcc mrkr mrmc mrrc mrtm mrtt mtbc mtbo mtcr mtom mtor mtrc mtrr mttr obbo obkb obok obor obot obro ocbc occc occt ocom ocro ocrr oct- octo okko okmo okok okom okor okot okro okto ombo omo- omoo omor omro oocr oooo oort ootb orbb orbo orco orko ormo oro- orok orom oror orot orro ortc orto oto- otok otoo otor otro otto rbbb rbbr rbmk rcbc rcbo rccb rccc rctc rob- robb robo robt rocc rock roco rokk roko rokr romb romk romm romo roob rook room roor root rorc rork roro rort rotc rotk roto rotr rott rrkm rrmc rrrr rtcc rtcm rtmc t-mo tbcb tbcc tbrb tccc tcom tctc tmbc tmbr tmcc tmcm tmmk tmro tmtt tobo tobt tock toco toko tomb tomm tomo tomt took toom toor toot torc tork torm toro torr tort totc totm toto totr tott trcc trmb trmk troc trom troo trot trtc trtr ttbb tttt

b-r-k bbook bcock bo-bo bobko boboc bobok bobr bocom bocor bokko bokok bokor bombo boock booco booko boomb boort borbo borck borko bormo boro- borok borom boroo borot borro botok botom botro brcko brmmm brobo brock brom- bromo brook broom broto brrrr btr-t c-cor ccccc co-bo co-co cobot cocc- cocco cockt cocom cocto cokk- cokot combo comco commo commr comot cookt coomb corbo corm- cormo coro- corot corto cott- cotto crock