-er bbb bbe bbg bbl bbn bbr bbs bbt be- beb bee beg bel ben ber bes bet bgb bge bgg bgl bgn bgr bgs bgt blb ble blg bll bln blr bls blt bnb bne bng bnl bnn bnr bns bnt brb bre brg brl brn brr brs brt bsb bse bsg bsl bsn bsr bss bst btb bte btg btl btn btr bts btt ebb ebe ebg ebl ebn ebr ebs ebt eeb eee eeg eel een eer ees eet egb ege egg egl egn egr egs egt elb ele elg ell eln elr els elt en- enb ene eng enl enn enr ens ent erb ere erg erl ern err ers ert es- esb ese esg esl esn esr ess est etb ete etg etl etn etr ets ett gbe gbg gbl gbn gbr gbs gbt ge- geb gee geg gel gen ger ges get ggb ggg ggn ggr ggs ggt glb gle glg gll gln glr gls glt gnb gne gnl gnn gnr gns gnt grb gre grg grl grn grr grs grt gsb gse gsg gsl gsn gsr gss gst gtb gte gtg gtl gtn gtr gts gtt lbb lbe lbg lbl lbr lbs lbt leb lee leg lel len ler les let lgb lge lgg lgl lgn lgr lgs lgt llb lle llg lll lln llr lls llt lnb lne lng lnl lnn lnr lns lnt lrb lrg lrn lrr lrs lrt lsb lse lsg lsl lsn lsr lss lst ltb lte ltg ltl ltr lts ltt nbb nbe nbg nbl nbn nbr nbs nbt ne- neb nee neg nel nen ner nes net ngb nge ngg ngl ngn ngs ngt nlb nle nlg nll nln nlr nls nlt nnb nne nng nnl nnn nns nnt nrb nre nrg nrl nrn nrr nrs nrt nsb nse nsg nsl nsn nsr nss nst ntb nte ntg ntn ntr nts ntt rbb rbe rbg rbl rbn rbr rbs rbt re- reb ree reg rel ren rer res ret rgb rge rgg rgn rgr rgs rgt rle rlg rll rln rlr rls rlt rnb rng rnn rnr rns rnt rrb rrg rrl rrn rrr rrs rrt rsb rse rsg rsl rsn rsr rss rst rtb rte rtg rtl rtn rtr rts rtt sbb sbe sbg sbl sbn sbr sbs sbt se- seb see seg sel sen ser ses set sgb sge sgg sgl sgn sgr sgs sgt slb sle slg sll sln slr sls slt snb sne sng snl snn snr sns snt sr- srb sre srg srl srn srr srs srt ss- ssb sse ssg ssl ssn ssr sss sst stb ste stg stl stn str sts stt tbb tbe tbg tbl tbn tbr tbs tbt te- teb tee teg tel ten ter tes tet tgb tge tgg tgl tgn tgr tgs tgt tle tlg tll tln tlr tls tlt tnb tne tng tnl tnn tnr tns tnt trb tre trg trl trn trr trs trt tsb tse tsg tsl tsn tsr tss tst ttb tte ttg ttl ttn ttr tts ttt