b-p bbb bbd bbe bbl bbp bdb bdd bde bdl bdp be- beb bed bee bel bep blb bld ble bll blp bpb bpd bpe bpl bpp dbb dbd dbe dbl dbp ddb ddd dde ddl ddp de- deb ded dee del dep dl- dlb dld dle dll dlp dpb dpd dpe dpl dpp ebb ebd ebe ebl ebp ed- edb edd ede edl edp eeb eed eee eel eep elb eld ele ell elp ep- epb epd epe epl epp l-p lbb lbd lbe lbl lbp ldb ldd lde ldl ldp leb led lee lel lep llb lld lle lll llp lpb lpd lpe lpl lpp p-p pbb pbd pbe pbl pbp pdb pdd pde pdl pdp peb ped pee pel pep plb pld ple pll plp ppb ppd ppe ppl ppp