-er bbb bbe bbg bbi bbl bbn bbr bbs be- beb bee beg bei bel ben ber bes bgb bge bgg bgi bgl bgn bgr bgs bi- bib bie big bii bil bin bir bis blb ble blg bli bll bln blr bls bnb bne bng bni bnl bnn bnr bns brb bre brg bri brl brn brr brs bsb bse bsg bsi bsl bsn bsr bss ebb ebe ebg ebi ebl ebn ebr ebs eeb eee eeg eel een eer ees egb ege egg egi egl egn egr egs eib eie eig eii eil ein eir eis elb ele elg eli ell eln elr els en- enb ene eng eni enl enn enr ens erb ere erg eri erl ern err ers es- esb ese esg esi esl esn esr ess gbe gbg gbi gbl gbn gbr gbs ge- geb gee geg gei gel gen ger ges ggb ggg ggi ggn ggr ggs gib gie gig gii gil gin gir gis glb gle glg gli gll gln glr gls gnb gne gni gnl gnn gnr gns grb gre grg gri grl grn grr grs gsb gse gsg gsi gsl gsn gsr gss ibb ibe ibg ibi ibl ibn ibr ibs ie- iee ieg iei iel ien ier ies igb ige igg igi igl ign igr igs iib iie iii iil iin iir iis il- ilb ile ilg ili ill iln ilr ils in- inb ine ing ini inl inn inr ins ir- irb ire irg iri irl irn irr irs is- isb ise isg isi isl isn isr iss lbb lbe lbg lbi lbl lbr lbs leb lee leg lei lel len ler les lgb lge lgg lgi lgl lgn lgr lgs lib lie lig lii lil lin lir lis llb lle llg lli lll lln llr lls lnb lne lng lni lnl lnn lnr lns lrb lrg lri lrn lrr lrs lsb lse lsg lsi lsl lsn lsr lss n-i nbb nbe nbg nbi nbl nbn nbr nbs ne- neb nee neg nei nel nen ner nes ngb nge ngg ngi ngl ngn ngs nib nie nig nii nil nin nir nis nlb nle nlg nli nll nln nlr nls nnb nne nng nni nnl nnn nns nrb nre nrg nri nrl nrn nrr nrs nsb nse nsg nsi nsl nsn nsr nss rbb rbe rbg rbi rbl rbn rbr rbs re- reb ree reg rei rel ren rer res rgb rge rgg rgi rgn rgr rgs rib rie rig rii ril rin rir ris rle rlg rli rll rln rlr rls rnb rng rni rnn rnr rns rrb rrg rri rrl rrn rrr rrs rsb rse rsg rsi rsl rsn rsr rss sbb sbe sbg sbi sbl sbn sbr sbs se- seb see seg sei sel sen ser ses sgb sge sgg sgi sgl sgn sgr sgs sib sie sig sii sil sin sir sis slb sle slg sli sll sln slr sls snb sne sng sni snl snn snr sns sr- srb sre srg sri srl srn srr srs ss- ssb sse ssg ssi ssl ssn ssr sss