bbbb bbeb bblb bcbc bcbp bccc bccl bcec bcpl bcpp bebb bebe beeb beel beep bele bell belp bleb blee bpcp bpel cbbc cbcc cbce cbcl cbcp cbec cbee cblb cblc cbpc cbpp ccbc cccb cccc cccl cccp ccee ccel cclc ccpe ccpl ccpp cebp cec- cece cecp ceeb ceec ceel cel- celc cele cell cepc cepe cepp clec clee clep clpb clpp cpbc cpce cpeb cpep cplc e-cl ebbc ebcc ebel ecbc ecbe eccb eccc ecce eccl ecpp eeee eele el-b el-p elbe elcb elce elec elee elle elpe epcc epec epee eple epll eppc eppp lbcc lcbc lccc lcce lcpc lcpl lece leel leep lele lell lepe lepp llcc lllc llll lpec lppl pbcc pcbc pccc pcce pccl pcep pcll pcpb pcpp pebl pece pecl peec peel peep pel- pelb pele pell pepe plcc plce ple- pleb plec plee plpp ppcc pple pppp