bbbb bbeb bblb bcbc bccc bccl bcec bcuc bebb bebe beby becu beeb beel beey bele bell belu bely beye beyl blcu bleb blee bleu bley blub blue bly- blye bubb bube bubu bucc buce bucu buel bueu bulb bule bull bulu buyl buyu byce byle byul cbbc cbcc cbce cbcl cbcu cbec cbee cblb cblc ccbc cccb cccc cccl cccu ccee ccel cclc ccuc cebu cec- cece ceeb ceec ceel cel- celc cele cell cely ceyl ceyu clec clee cleu cley club clue cly- clye cub- cubb cube cuby cucc cuce culb culc cule cull cuy- cuyl cybb cybc cyc- cycb cycc cycl cyl- cylc cyle cyll cyul cyy- cyyc e-cl ebbc ebby ebcc ebel ebul ecbc ecbe eccb eccc ecce eccl ecly eeby eeee eele eely el-b elbe elbu elcb elce elec elee eley elle ellu elly elue elul eubc eule eyeb eyec eyey eyle lbcc lcbc lccc lcce le-u lebu lece lecy leel lele lell lelu lely leuc leye llcc lleu lllc llll lube luby luce lucy lule lull lulu lyc- lyce lyle lyly ubbe uble ubly ucbc ucel uele uell ulbc ulcc uleb ulee uley ulle ully ulul ulye uulu uuuu uyle yccc ycee ye-u yeel yele yell yelu yeue yeye ylle yubu yuce yuel yule yulu yuye yuyu yyyy