bbbb bbci bbeb bblb bcbc bccc bcci bccl bcec bcie bebb bebe bebi beby beci beeb beel beey beic beil bele beli bell bely beye beyi beyl bibb bibe bibi bibl bicc bice bici bieb biel bile bili bill bily bleb blee blei bley blic bly- blye byce byil byle cbbc cbcc cbce cbcl cbec cbee cblb cblc ccbc cccb cccc ccci cccl ccee ccel ccic ccii ccil cclc ccli cec- cece ceci ceeb ceec ceel ceil cel- celc cele celi cell cely ceyl cibc cibe cibi cicc cici ciee ciel ciii cili cill clec clee clei cley clib clic clii cly- clye cybb cybc cybi cyc- cycb cycc cycl cyl- cylc cyle cyll cyy- cyyc e-cl ebbc ebby ebcc ebel ebic ebli ecbc ecbe eccb eccc ecce ecci eccl ecib ecil ecly eeby eeee eele eely eiec eiei eile el-b elbe elbi elcb elce elec elee eley elic elie elil elle elli elly eyeb eyec eyey eyle i-be i-by ibec ibie ible ibly ibyi icbc iccb iccc icci iccl icec icee icel icey icle icll iecc ieie iele iiie iiii ilbc ilce ile- ilec ilic ilie ill- ille illi illy lbcc lcbc lccc lcce lece lecy leel leib leic leie leil lele leli lell lely leye libc libe lice lieb liel liii lilb lile lili lill lily liyl llcc lllc llll lyc- lyce lyle lyly yccc ycee ycie yeel yeie yeii yele yeli yell yeye yeyi yile yili yill ylle ylli yyyy