bbb bbg bbi bbl bbn bbr bbs bgb bgg bgi bgl bgn bgr bgs bi- bib big bii bil bin bir bis blb blg bli bll bln blr bls bnb bng bni bnl bnn bnr bns brb brg bri brl brn brr brs bsb bsg bsi bsl bsn bsr bss gbg gbi gbl gbn gbr gbs ggb ggg ggi ggn ggr ggs gib gig gii gil gin gir gis glb glg gli gll gln glr gls gnb gni gnl gnn gnr gns grb grg gri grl grn grr grs gsb gsg gsi gsl gsn gsr gss ibb ibg ibi ibl ibn ibr ibs igb igg igi igl ign igr igs iib iii iil iin iir iis il- ilb ilg ili ill iln ilr ils in- inb ing ini inl inn inr ins ir- irb irg iri irl irn irr irs is- isb isg isi isl isn isr iss lbb lbg lbi lbl lbr lbs lgb lgg lgi lgl lgn lgr lgs lib lig lii lil lin lir lis llb llg lli lll lln llr lls lnb lng lni lnl lnn lnr lns lrb lrg lri lrn lrr lrs lsb lsg lsi lsl lsn lsr lss n-i nbb nbg nbi nbl nbn nbr nbs ngb ngg ngi ngl ngn ngs nib nig nii nil nin nir nis nlb nlg nli nll nln nlr nls nnb nng nni nnl nnn nns nrb nrg nri nrl nrn nrr nrs nsb nsg nsi nsl nsn nsr nss rbb rbg rbi rbl rbn rbr rbs rgb rgg rgi rgn rgr rgs rib rig rii ril rin rir ris rlg rli rll rln rlr rls rnb rng rni rnn rnr rns rrb rrg rri rrl rrn rrr rrs rsb rsg rsi rsl rsn rsr rss sbb sbg sbi sbl sbn sbr sbs sgb sgg sgi sgl sgn sgr sgs sib sig sii sil sin sir sis slb slg sli sll sln slr sls snb sng sni snl snn snr sns sr- srb srg sri srl srn srr srs ss- ssb ssg ssi ssl ssn ssr sss