bbbb bbci bbeb bbet bblb bcbc bccc bcci bccl bcec bcet bcie bcit bctc bebb bebe bebi beby beci beeb beel beet beey beic beil beit bele beli bell belt bely betc bete beti bett beye beyi beyl beyt bibb bibe bibi bibl bicc bice bici bieb biel biet bile bili bill bilt bily bitc bite bitt blbt bleb blee blei blet bley blic blit bly- blye btcc btcl btec btie bttb byce byil byit byle bylt byte cbbc cbcc cbce cbcl cbct cbec cbee cbet cbit cblb cblc cbtc cbtl cbyt ccbc cccb cccc ccci cccl ccee ccel ccic ccii ccil cclc ccli cctb cctc cctl cctt cec- cece ceci cect ceeb ceec ceel ceil cel- celc cele celi cell celt cely cet- cete ceti ceyl cibc cibe cibi cicc cici cict ciee ciel ciii ciit cili cill cilt citb cite citi citl citt city clec clee clei clet cley clib clic clii clit cltb cltc cly- clye ctbi ctec ctic ctle cybb cybc cybi cyc- cycb cycc cycl cyl- cylc cyle cyll cyt- cytb cyte cyy- cyyc e-cl ebbc ebby ebcc ebel ebic ebit ebli ecbc ecbe eccb eccc ecce ecci eccl ecct ecib ecil ecit eclt ecly ect- ectc eeby eeee eele eely eetc eete eiec eiei eile eitb eitc eiti el-b elbe elbi elcb elce elec elee elet eley elic elie elil elit elle elli elly elte etbc etcc etec etee etel etic ette etti etty eyeb eyec eyet eyey eyle eyte i-be i-by ibec ibet ibie ible ibly ibtb ibtc ibtl ibyi icbc iccb iccc icci iccl icct icec icee icel icet icey icle icll iecc ieet ieie iele iett iiie iiii iiit iitt ilbc ilce ile- ilec ilet ilic ilie ilit ill- ille illi illt illy itbe itby itec itel itet itic itie itil itll itty iyet lbcc lcbc lccc lcce lctl lece lect lecy leel leet leib leic leie leil leit lele leli lell lely lete leti lett lety leye leyt libc libe lice lict lieb liel liet liii lilb lile lili lill lilt lily litb lite liti litl litt lity liyl llcc llet lllc llll ltbl ltcc ltci ltee ltib lttc lyc- lyce lyit lyle lyly lyte lytt tbcb tbcc tbce tbil tbit tcby tccc tctc tecl tect teec teel teet teic teie teil tel- telc tele teli tell telt tete teti tett teye teyl tibi ticc tice tie- tiee tiei tiel tiet tiit tile till tilt tily titc tite titi titt tiye tiyi tley tlli ttbb tttt ttyl tybi tyce tyee tyet tyl- tyle tyll tyte tyti tytt tyty ybet yccc ycee ycie yctc yeel yeet yeie yeii yeit yele yeli yell yelt yete yeti yett yeye yeyi yiet yile yili yill yilt yite yiti ylet ylle ylli yyyy