-er bbb bbd bbe bbl bbn bbr bdb bdd bde bdl bdr bdv be- beb bed bee bel ben ber bev blb bld ble bll bln blr blv bnb bnd bne bnl bnn bnr bnv brb brd bre brl brn brr brv bvb bvd bve bvl bvn bvr bvv dbb dbd dbe dbl dbn dbr dbv ddb ddd dde ddl ddn ddr de- deb ded dee del den der dev dl- dlb dld dle dll dlr dlv dnb dnd dne dnl dnn dnr drb drd dre drl drn drr drv dvb dvd dve dvl dvn dvr ebb ebd ebe ebl ebn ebr ebv ed- edb edd ede edl edn edr eeb eed eee eel een eer eev elb eld ele ell eln elr elv en- enb end ene enl enn enr env erb erd ere erl ern err erv evb evd eve evl evn evr evv lbb lbd lbe lbl lbr lbv ldb ldd lde ldl ldn ldr ldv leb led lee lel len ler lev llb lld lle lll lln llr llv lnb lnd lne lnl lnn lnr lrb lrd lrn lrr lrv lvb lvd lve lvl lvn lvr lvv nbb nbd nbe nbl nbn nbr nbv ndb ndd nde ndl ndn ndr ndv ne- neb ned nee nel nen ner nev nlb nld nle nll nln nlr nlv nnb nne nnl nnn nnv nrb nrd nre nrl nrn nrr nrv nvb nvd nve nvl nvn nvv rbb rbd rbe rbl rbn rbr rdb rdd rde rdl rdn rdr rdv re- reb red ree rel ren rer rev rld rle rll rln rlr rnb rnd rnn rnr rnv rrb rrd rrl rrn rrr rvb rvd rve rvl rvn rvr rvv v-e vbd vbl vbr vbv vdb vdd vde vdl vdr vdv veb ved vee vel ven ver vl- vlb vld vle vll vlv vn- vnd vnl vnr vnv vrb vrd vre vrn vrr vvb vvr vvv