bbbb bbci bbeb bblb bcbc bcbg bccc bcci bccl bcec bcie bebb bebe bebi beci beeb beeg beel begg begi beic beil bele belg beli bell bibb bibe bibi bibl bicc bice bicg bici bieb biel bigb bigc bige bigg bile bili bill bleb blee bleg blei blic cbbc cbcc cbce cbcl cbec cbee cbgb cblb cblc ccbc cccb cccc ccci cccl ccee ccel ccgc ccic ccii ccil cclc cclg ccli cec- cece ceci ceeb ceec ceel cege ceil cel- celc cele celi cell cgcc cgcg cgel cibc cibe cibi cicc cici ciee ciel cigi ciii cili cill clec clee cleg clei clib clic clig clii e-cl ebbc ebcc ebel ebic ebli ecbc ecbe eccb eccc ecce ecci eccl ecib ecig ecil eeee eele egbe egcc egcg egec egee egel eggb egge eggi egil eglc egle egli eiec eiei eige eigg eile el-b elbe elbi elcb elce elec elee elgg elic elie elil elle elli gc-c gcbc gccc gcic gcii gclc gebe gebi gece geel gege gegg gegl geic geie geig geil gelb gele gelg geli gell ggcl gggg gibb gibe giel gige gigg gigi gile gilg gili gill glbc glcc glce gleb glee gleg glei glge gli- glib glic glie i-be ibec ibeg ibge ibie ible icbc iccb iccc icci iccl icec icee icel icgc icle icll iecc ieie iele igbc igcc igel igil igli iiie iiii ilbc ilce ile- ilec ilic ilie ill- ille illi lbcc lcbc lccc lcce lece leel lege legg legi leib leic leie leil lele leli lell libc libe lice lieb lieg liel ligc lige ligg ligi liig liii lilb lile lilg lili lill llcc llgc lllc llll