b-p bbb bbd bbe bbl bbn bbp bdb bdd bde bdl bdp be- beb bed bee bel ben bep blb bld ble bll bln blp bnb bnd bne bnl bnn bnp bpb bpd bpe bpl bpn bpp dbb dbd dbe dbl dbn dbp ddb ddd dde ddl ddn ddp de- deb ded dee del den dep dl- dlb dld dle dll dlp dnb dnd dne dnl dnn dnp dpb dpd dpe dpl dpn dpp ebb ebd ebe ebl ebn ebp ed- edb edd ede edl edn edp eeb eed eee eel een eep elb eld ele ell eln elp en- enb end ene enl enn enp ep- epb epd epe epl epn epp l-p lbb lbd lbe lbl lbp ldb ldd lde ldl ldn ldp leb led lee lel len lep llb lld lle lll lln llp lnb lnd lne lnl lnn lnp lpb lpd lpe lpl lpn lpp nbb nbd nbe nbl nbn nbp ndb ndd nde ndl ndn ndp ne- neb ned nee nel nen nep nlb nld nle nll nln nlp nnb nne nnl nnn nnp npb npd npe npl npn npp p-p pbb pbd pbe pbl pbn pbp pdb pdd pde pdl pdn pdp peb ped pee pel pen pep plb pld ple pll pln plp pn- pnb pnd pne pnl pnn pnp ppb ppd ppe ppl ppn ppp