-ene bbbb bbch bbeb bblb bcbc bccc bccl bcec bche bebb bebe bech beeb beel been behn bele bell bene benn bhcc bhel bleb blee bleh cbbc cbcc cbce cbcl cbcn cbec cbee cbhl cblb cblc cbln ccbc ccbn cccb cccc cccl ccee ccel cche cchl cclc ccnb ccnc ccne cec- cece ceeb ceec ceel cehl cel- celc cele cell cen- cene chce chch cheb chec chee cheh chel chen chlc chln chnb chnc chnl clec clee cnbc cnbl cnel e-cl ebbc ebcc ebel eben ecbc ecbe eccb eccc ecce eccl eche echl ecne eeee eele ehcc eheh ehel ehen ehle el-b elbe elcb elce elch elec elee eleh elen elle elne enb- enbn ence ench encl enee enel ennc enne hcbc hccb hccc hcch hebb hebe hech heeb heel hehe hehn hele hell hene henh henn hhcl hhhh hnce lbcc lcbc lccc lcce lchc lece lech leel leen lehe lele lell lene lenn lhec lhee lhhh llcc lllc llll nbbc nbcc ncbc nccc nccn ncec ncee ncel ncen nchc nclc ncln ncnc nebb nebe nebn necc nece nech neeb neel neen nehe nelc nele nell nene nenh nhcc nheb nhhl nhnn nlcc nlec nnnn