-er bbb bbd bbe bbg bbl bbn bbr bbs bbt bdb bdd bde bdg bdl bdr bds bdt be- beb bed bee beg bel ben ber bes bet bgb bgd bge bgg bgl bgn bgr bgs bgt blb bld ble blg bll bln blr bls blt bnb bnd bne bng bnl bnn bnr bns bnt brb brd bre brg brl brn brr brs brt bsb bsd bse bsg bsl bsn bsr bss bst btb btd bte btg btl btn btr bts btt dbb dbd dbe dbg dbl dbn dbr dbs dbt ddb ddd dde ddg ddl ddn ddr dds ddt de- deb ded dee deg del den der des det dgd dge dgg dgl dgn dgr dgs dgt dl- dlb dld dle dlg dll dlr dls dlt dnb dnd dne dng dnl dnn dnr dns dnt drb drd dre drg drl drn drr drs drt dsb dsd dse dsg dsl dsn dsr dss dst dtb dtd dte dtg dtl dtn dtr dts dtt ebb ebd ebe ebg ebl ebn ebr ebs ebt ed- edb edd ede edg edl edn edr eds edt eeb eed eee eeg eel een eer ees eet egb egd ege egg egl egn egr egs egt elb eld ele elg ell eln elr els elt en- enb end ene eng enl enn enr ens ent erb erd ere erg erl ern err ers ert es- esb esd ese esg esl esn esr ess est etb etd ete etg etl etn etr ets ett g-d gbd gbe gbg gbl gbn gbr gbs gbt gdb gdd gde gdl gdn gdr gds gdt ge- geb ged gee geg gel gen ger ges get ggb ggd ggg ggn ggr ggs ggt glb gld gle glg gll gln glr gls glt gnb gnd gne gnl gnn gnr gns gnt grb grd gre grg grl grn grr grs grt gsb gsd gse gsg gsl gsn gsr gss gst gtb gtd gte gtg gtl gtn gtr gts gtt lbb lbd lbe lbg lbl lbr lbs lbt ldb ldd lde ldg ldl ldn ldr lds ldt leb led lee leg lel len ler les let lgb lgd lge lgg lgl lgn lgr lgs lgt llb lld lle llg lll lln llr lls llt lnb lnd lne lng lnl lnn lnr lns lnt lrb lrd lrg lrn lrr lrs lrt lsb lsd lse lsg lsl lsn lsr lss lst ltb ltd lte ltg ltl ltr lts ltt nbb nbd nbe nbg nbl nbn nbr nbs nbt ndb ndd nde ndg ndl ndn ndr nds ndt ne- neb ned nee neg nel nen ner nes net ngb ngd nge ngg ngl ngn ngs ngt nlb nld nle nlg nll nln nlr nls nlt nnb nne nng nnl nnn nns nnt nrb nrd nre nrg nrl nrn nrr nrs nrt nsb nsd nse nsg nsl nsn nsr nss nst ntb ntd nte ntg ntn ntr nts ntt rbb rbd rbe rbg rbl rbn rbr rbs rbt rdb rdd rde rdg rdl rdn rdr rds rdt re- reb red ree reg rel ren rer res ret rgb rgd rge rgg rgn rgr rgs rgt rld rle rlg rll rln rlr rls rlt rnb rnd rng rnn rnr rns rnt rrb rrd rrg rrl rrn rrr rrs rrt rsb rsd rse rsg rsl rsn rsr rss rst rtb rtd rte rtg rtl rtn rtr rts rtt sbb sbd sbe sbg sbl sbn sbr sbs sbt sdb sdd sde sdg sdl sdn sdr sds sdt se- seb sed see seg sel sen ser ses set sgb sgd sge sgg sgl sgn sgr sgs sgt slb sld sle slg sll sln slr sls slt snb snd sne sng snl snn snr sns snt sr- srb srd sre srg srl srn srr srs srt ss- ssb ssd sse ssg ssl ssn ssr sss sst stb std ste stg stl stn str sts stt tbb tbd tbe tbg tbl tbn tbr tbs tbt tdb tdd tde tdg tdl tdn tdr tds tdt te- teb ted tee teg tel ten ter tes tet tgb tge tgg tgl tgn tgr tgs tgt tld tle tlg tll tln tlr tls tlt tnb tnd tne tng tnl tnn tnr tns tnt trb trd tre trg trl trn trr trs trt tsb tsd tse tsg tsl tsn tsr tss tst ttb ttd tte ttg ttl ttn ttr tts ttt