bbb bbg bbi bbl bbn bbr bbs bbt bgb bgg bgi bgl bgn bgr bgs bgt bi- bib big bii bil bin bir bis bit blb blg bli bll bln blr bls blt bnb bng bni bnl bnn bnr bns bnt brb brg bri brl brn brr brs brt bsb bsg bsi bsl bsn bsr bss bst btb btg bti btl btn btr bts btt gbg gbi gbl gbn gbr gbs gbt ggb ggg ggi ggn ggr ggs ggt gib gig gii gil gin gir gis git glb glg gli gll gln glr gls glt gnb gni gnl gnn gnr gns gnt grb grg gri grl grn grr grs grt gsb gsg gsi gsl gsn gsr gss gst gtb gtg gti gtl gtn gtr gts gtt ibb ibg ibi ibl ibn ibr ibs ibt igb igg igi igl ign igr igs igt iib iii iil iin iir iis iit il- ilb ilg ili ill iln ilr ils ilt in- inb ing ini inl inn inr ins int ir- irb irg iri irl irn irr irs irt is- isb isg isi isl isn isr iss ist itb itg iti itl itn its itt lbb lbg lbi lbl lbr lbs lbt lgb lgg lgi lgl lgn lgr lgs lgt lib lig lii lil lin lir lis lit llb llg lli lll lln llr lls llt lnb lng lni lnl lnn lnr lns lnt lrb lrg lri lrn lrr lrs lrt lsb lsg lsi lsl lsn lsr lss lst ltb ltg lti ltl ltr lts ltt n-i nbb nbg nbi nbl nbn nbr nbs nbt ngb ngg ngi ngl ngn ngs ngt nib nig nii nil nin nir nis nit nlb nlg nli nll nln nlr nls nlt nnb nng nni nnl nnn nns nnt nrb nrg nri nrl nrn nrr nrs nrt nsb nsg nsi nsl nsn nsr nss nst ntb ntg nti ntn ntr nts ntt rbb rbg rbi rbl rbn rbr rbs rbt rgb rgg rgi rgn rgr rgs rgt rib rig rii ril rin rir ris rit rlg rli rll rln rlr rls rlt rnb rng rni rnn rnr rns rnt rrb rrg rri rrl rrn rrr rrs rrt rsb rsg rsi rsl rsn rsr rss rst rtb rtg rti rtl rtn rtr rts rtt sbb sbg sbi sbl sbn sbr sbs sbt sgb sgg sgi sgl sgn sgr sgs sgt sib sig sii sil sin sir sis sit slb slg sli sll sln slr sls slt snb sng sni snl snn snr sns snt sr- srb srg sri srl srn srr srs srt ss- ssb ssg ssi ssl ssn ssr sss sst stb stg sti stl stn str sts stt tbb tbg tbi tbl tbn tbr tbs tbt tgb tgg tgi tgl tgn tgr tgs tgt tib tig tii til tin tir tis tit tlg tli tll tln tlr tls tlt tnb tng tni tnl tnn tnr tns tnt trb trg tri trl trn trr trs trt tsb tsg tsi tsl tsn tsr tss tst ttb ttg tti ttl ttn ttr tts ttt