bbbb bbch bbeb bblb bcbc bccc bccl bcec bche bcuc bebb bebe bech becu beeb beel bele bell belu bhcc bhel bhuu blcu bleb blee bleh bleu blub blue bubb bube bubu bucc buce buch bucu buel bueu buhe buhl bulb bule bull bulu cbbc cbcc cbce cbcl cbcu cbec cbee cbhl cblb cblc ccbc cccb cccc cccl cccu ccee ccel cche cchl cclc ccuc cebu cec- cece ceeb ceec ceel cehl cel- celc cele cell chce chch cheb chec chee cheh chel cheu chlc chub chul clec clee cleu club clue cluh cub- cubb cube cucc cuce culb culc cule cull e-cl ebbc ebcc ebel ebul ecbc ecbe eccb eccc ecce eccl eche echl eeee eele ehcc eheh ehel eheu ehle el-b elbe elbu elcb elce elch elec elee eleh elle ellu elue elul eubc euch euhl eule hcbc hccb hccc hcch hebb hebe hech heeb heel hehe hele hell helu heue hhcl hhhh hlul hubb hube hubl huch hucu huel huhu hulc hule hull hulu huub lbcc lcbc lccc lcce lchc le-u lebu lece lech leel lehe lehu lele lell lelu leuc lhec lhee lhhh llcc lleu lllc llll lube luce luch luhe luhu lule lull lulu ubbe uble ucbc ucel uche uele uell uhcl uhle uhuh ulbc ulcc ulch uleb ulee ulle ulul uulu uuuu