bbbb bbci bbeb bblb bcbc bccc bcci bccl bcec bcie bebb bebe bebi beci beeb beej beel beic beij beil bele beli bell bibb bibe bibi bibl bicc bice bici bieb biel biji bijl bile bili bill bjcc bjec bleb blee blei blic 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 cejc cel- celc cele celi cell cibc cibe cibi cicc cici ciee ciel ciii cili cill cjbc cjcb cjcj cjcl cjic cjli clec clee clei clib clic clii e-cl ebbc ebcc ebel ebic ebli ecbc ecbe eccb eccc ecce ecci eccl ecib ecil eeee eele eiec eiei eiji eile ejji el-b elbe elbi elcb elce elec elee elic elie elij elil elle elli i-be ibec ibie ible icbc iccb iccc icci iccl icec icee icel icle icll iecc ieie iele iiie iiii ijji ilbc ilce ile- ilec ilic ilie ill- ille illi jbel jcbc jccc jcci jebb jebe jeci jeel jeli jell jibb jibe jibi jije jiji jili jill jjcc lbcc lcbc lccc lcce lece leej leel leib leic leie leil lele leli lell libc libe lice lieb liel liii lij- lilb lile lili lill ljeb llcc lllc llll