bbbb bbeb bbet bcbc bcbp bccc bcec bcet bcpp bctc bebb bebe bebo beck beeb beek beep beet beke beko beo- beok beot bepo betc bete beto bett bkpt bobb bobe bobo boce bock boco boec boee boeo boep boet boke boko boob booc booe book boop boot bope bopp botb bote boto bott bpcp bpoe bpot btbp btcc btec btek btob bttb c-bo cbbc cbcc cbce cbcp cbct cbec cbee cbet cbko cbot cbpc cbpp cbtc ccbc cccb cccc cccp ccee ccob ccoc ccpe ccpp cctb cctc cctt cebp cec- cece ceco cecp cect ceeb ceec ceke ceop cepc cepe cepo cepp cept cet- cete ceto cetp ckbc ckbe ckck ckco ckob ckoc ckoo ckot ckpc cktb cobb cobe cobo coce cock coco cocp coct coep cok- coke coko coob cook coop coot cope copo copp copt cotb cotc cote coto cott cpbc cpce cpeb cpep cptp ctcp ctec ctep ctot ctpo ctpp ebbc ebbo ebcc eboe eboo ebpo ecbc ecbe eccb eccc ecce ecco ecct ecko eco- ecop ecot ecpp ect- ectc ecto eeee eeke eeoc eetc eete ekco ekeb ekek eket ekpe ekpo eotc eoto epcc epec epee epoc epot eppc eppo eppp epte etbc etcc etco etec etee etoe etok ette etto kbbb kbbc kbbe kbbk kbbo kbbt kbcb kbce kbck kbco kbct kbeb kbec kbee kbek kbeo kbet kbkb kbkk kbko kbob kboc kboe kbok kboo kbot kbpc kbpe kbpk kbpo kbpt kbtb kbtc kbte kbtk kbto kbtt kcbc kcbk kccb kccc kcck kcct kceb kcec kcee kceo kcep kcet kckc kckk kcko kcob kcoe kcot kcpc kcpo kcpt kctb kctc kcte kcto kebb kebc kebe kebt keck keco keek keep keet kekb kekc keke keko keok kep- kepc kepe kept ket- ketc kete ketk keto ketp kett kkbb kkbe kkbo kkbt kkcb kkck kkco kkct kkkk kkob kkoo kkot kkpc kkpk kkpt kktc kktk kobb kobc kobe kobk kobo kocb kock kocp koct kokb kokc koke kokk koko kokp koob kooc kook kooo koop koot kopb kope kopp kopt kotb kotc kote kotk koto kott kpbb kpbe kpcc kpek kpet kpke kpkk kpob kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kpte kpto kptt ktbb ktbc ktbt ktcc ktce ktck ktco ktec ktee ktek ktep ktkb ktkc ktke ktkk ktko ktkt ktob ktoc ktoe ktok ktoo ktop ktot ktpk ktpo ktpt kttc kttk ktto kttp kttt o-eo obbo obec obet obkb oboe obok obot ocbc occc occt oce ocee ocet ocke ocpp oct- octe octo oec- oecc oeec oket okko okok okot okpe okpo okto oobe oooo ootb ootp opec opep opet opo- oppo opto otee otep oto- otoe otok otoo otpp otte otto pbcc pboc pbpk pcbc pccc pcce pcep pcoe pcpb pcpp pcte pece peck peco pect peec peek peep peet peke pekk peko pepe pepo pete peto pett pobo poce pock poco poet poke poko pook poop poot pop- popc pope popo popp popt potc pote poto pott ppcc pppo pppp pptt ptcc ptop pttc pttk tbcb tbcc tbce tbtp tccc tcep tcpo tctc tebo teck teco tect teec teek teet teke teok tepe tepp tete teto tett tobe tobo tobt toce tock toco toee toek toet toke toko took toot top- tope topo topp topt totc tote toto tott tpck tpcp tpke tppp tpte tptp ttbb ttcp tteo ttoe ttop tttt