-er b-p bbb bbd bbe bbl bbn bbp bbr bdb bdd bde bdl bdp bdr be- beb bed bee bel ben bep ber blb bld ble bll bln blp blr bnb bnd bne bnl bnn bnp bnr bpb bpd bpe bpl bpn bpp bpr brb brd bre brl brn brp brr dbb dbd dbe dbl dbn dbp dbr ddb ddd dde ddl ddn ddp ddr de- deb ded dee del den dep der dl- dlb dld dle dll dlp dlr dnb dnd dne dnl dnn dnp dnr dpb dpd dpe dpl dpn dpp dpr drb drd dre drl drn drp drr ebb ebd ebe ebl ebn ebp ebr ed- edb edd ede edl edn edp edr eeb eed eee eel een eep eer elb eld ele ell eln elp elr en- enb end ene enl enn enp enr ep- epb epd epe epl epn epp epr erb erd ere erl ern erp err l-p lbb lbd lbe lbl lbp lbr ldb ldd lde ldl ldn ldp ldr leb led lee lel len lep ler llb lld lle lll lln llp llr lnb lnd lne lnl lnn lnp lnr lpb lpd lpe lpl lpn lpp lpr lrb lrd lrn lrp lrr nbb nbd nbe nbl nbn nbp nbr ndb ndd nde ndl ndn ndp ndr ne- neb ned nee nel nen nep ner nlb nld nle nll nln nlp nlr nnb nne nnl nnn nnp npb npd npe npl npn npp npr nrb nrd nre nrl nrn nrp nrr p-p pbb pbd pbe pbl pbn pbp pbr pdb pdd pde pdl pdn pdp pdr peb ped pee pel pen pep per plb pld ple pll pln plp plr pn- pnb pnd pne pnl pnn pnp pnr ppb ppd ppe ppl ppn ppp ppr prb prd pre prl prn prp prr rbb rbd rbe rbl rbn rbp rbr rdb rdd rde rdl rdn rdp rdr re- reb red ree rel ren rep rer rld rle rll rln rlp rlr rnb rnd rnn rnp rnr rpb rpd rpe rpl rpn rpp rpr rrb rrd rrl rrn rrp rrr