bbbb bbci bbcm bbeb bblb bcbc bccc bcci bccl bccm bcec bcie bebb bebe bebi beci beeb beel beem beic beil beim bele beli bell belm beme bibb bibe bibi bibl bicc bice bici bieb biel bile bili bill bleb blee blei blem blic blim blme bmce bmci bmic bmmi cbbc cbcc cbce cbcl cbcm cbec cbee cblb cblc cbme ccbc cccb cccc ccci cccl cccm ccee ccel ccic ccii ccil ccim cclc ccli cclm ccmb ccmc ccmm cec- cece ceci cecm ceeb ceec ceel ceem ceil ceim cel- celc cele celi cell cemb ceme cemm cibc cibe cibi cicc cici ciee ciel ciii cili cill cimb cime cimi ciml cimm clec clee clei clem clib clic clii clim cmbc cmcc cmec cmii cmli cmll cmmb cmmc cmmi cmml e-cl ebbc ebcc ebel ebic ebli ecbc ecbe eccb eccc ecce ecci eccl eccm ecem ecib ecil ecim ecmi eeee eele eiec eiei eile eime eimi el-b elbe elbi elcb elce elec elee elem elic elie elil elim elle elli elme elml embe embi emcc emel emic emii emil emim emle emlm emme emmi emml i-be ibbm ibec ibie ibim ible ibml icbc icbm iccb iccc icci iccl icec icee icel icem icle icll icmc icme icmi icmm iecc ieie iele ieme iiie iiii iimc ilbc ilbm ilce ile- ilec ilic ilie ill- ille illi ilme imbe imbi imcb imci imec imel imli imme immi lbcc lbmc lcbc lccc lcce lccm lece leel leem leib leic leie leil lele leli lell leme lemi lemm libc libe lice lieb liel liii lilb lile lili lill limb limc lime limi liml limm llcc lllc llll lmcc lmii mbci mbim mcbc mcbi mccc mcci mccl mcic mcii mcil mcli mcmc mcmi mcml mebe mec- mecc mece meel meem meic meil mel- melb melc mele meli mell memc meme meml mibc micc mice mici miee miel miem miii mile mili mill mim- mime mimi mlcc mlii mlle mmcc mmci mmcl mmcm mmic mmii mmli mmmc mmmm