bbbb bbci bbeb bbet bblb bcbc bccc bcci bccl bcec bcet bcie bcit bctc bebb bebe bebi beci beck beeb beek beel beet beic beik beil beit beke beki bele beli belk bell belt betc bete beti bett bibb bibe bibi bibl bicc bice bici bick bieb biel biet bike bile bili bilk bill bilt bitc bite bitt blbt bleb blee blei blek blet blic blik blit blkb btcc btcl btec btek btie bttb cbbc cbcc cbce cbcl cbct cbec cbee cbet cbit cbkl cblb cblc cbtc cbtl ccbc cccb cccc ccci cccl ccee ccel ccic ccii ccil cclc ccli cctb cctc cctl cctt cec- cece ceci cect ceeb ceec ceel ceil ceke cel- celc cele celi cell celt cet- cete ceti cibc cibe cibi cicc cici cict ciee ciel ciii ciit cili cilk cill cilt citb cite citi citl citt ckbc ckbe ckbi ckck ckcl cktb clec clee clei clek clet clib clic clii clik clit cltb cltc ctbi ctec ctic ctle e-cl ebbc ebcc ebel ebic ebit ebli ecbc ecbe eccb eccc ecce ecci eccl ecct ecib ecil ecit eclt ect- ectc eeee eeke eele eetc eete eick eiec eiei eike eiki eile eitb eitc eiti ekeb ekek eket ekki el-b elbe elbi elcb elce elec elee elek elet elic elie elik elil elit elke elki elle elli elte etbc etcc etec etee etel etic etik ette etti i-be ibec ibet ibie ible ibtb ibtc ibtl icbc iccb iccc icci iccl icct icec icee icel icet icke icle icll iecc ieet ieie iele iett iiie iiii iiit iitt ikee ikki ilbc ilce ile- ilec ilek ilet ilic ilie ilit ilke ilki ill- ille illi illt itbe itec itek itel itet itic itie itil itll k-ci kbbb kbbc kbbe kbbi kbbk kbbl kbbt kbcb kbce kbci kbck kbcl kbct kbeb kbec kbee kbek kbel kbet kbib kbic kbie kbik kbil kbit kbkb kbkk kbkl kblb kble kbll kblt kbtb kbtc kbte kbtk kbtl kbtt kcbc kcbi kcbk kcbl kccb kccc kcci kcck kccl kcct kceb kcec kcee kcei kcel kcet kcic kcie kcii kcil kcit kckc kckk kckl kclc kcle kcli kclk kcll kclt kctb kctc kcte kcti kebb kebc kebe kebi kebt keck keek keel keet keib keii keik keil kekb kekc keke keki kekl kele keli kelk kell kelt ket- ketc kete keti ketk kett kibb kibc kibe kibi kibl kibt kicb kicc kice kick kicl kict kiel kiic kiii kiik kiit kikc kiki kikk kikt kilb kile kili kilk kill kilt kitc kite kiti kitl kitt kkbb kkbe kkbi kkbl kkbt kkcb kkci kkck kkcl kkct kkic kkik kkit kkkk kklb kklc kkli kkll kktc kktk kktl klbb klbc klbe klbl klbt klcb klcc klce klci klck klcl kleb klec klee klek klet klib klic klik klil klit klkc klkk klkl kllb kllc klle kllk kltc klti kltk kltt ktbb ktbc ktbl ktbt ktcc ktce ktck ktcl ktec ktee ktek ktel ktib ktic ktie ktik ktil ktkb ktkc ktke ktkk ktkt ktlb ktli ktlk ktlt kttc ktti kttk kttt lbcc lcbc lccc lcce lctl lece leck lect leek leel leet leib leic leie leik leil leit leke leki lekk lele leli lell lete leti lett libc libe lice lick lict lieb liek liel liet liii like lilb lile lili lill lilt litb lite liti litl litt llcc llet lllc llll ltbl ltcc ltci ltee ltib ltke lttc tbcb tbcc tbce tbil tbit tccc tctc teck tecl tect teec teek teel teet teic teie teil teke tel- telc tele teli tell telt tete teti tett tibi ticc tice tick tie- tiee tiei tiel tiet tiit tike tiki tile till tilt titc tite titi titt tlik tlli ttbb tttt