bbb bbg bbi bbk bbn bbr bbs bgb bgg bgi bgk bgn bgr bgs bi- bib big bii bik bin bir bis bkb bkg bkk bkn bkr bks bnb bng bni bnk bnn bnr bns brb brg bri brk brn brr brs bsb bsg bsi bsk bsn bsr bss gbg gbi gbk gbn gbr gbs ggb ggg ggi ggn ggr ggs gib gig gii gik gin gir gis gkb gkn gks gnb gni gnn gnr gns grb grg gri grk grn grr grs gsb gsg gsi gsk gsn gsr gss ibb ibg ibi ibk ibn ibr ibs igb igg igi igk ign igr igs iib iii iin iir iis ikb iki ikk ikr iks in- inb ing ini ink inn inr ins ir- irb irg iri irk irn irr irs is- isb isg isi isk isn isr iss kbb kbi kbk kbn kbr kbs kgb kgi kgs kib kig kii kik kin kir kis kkb kki kkk kkn kkr kks kn- kng kni knk knn knr krg kri krk krn krr krs ksb ksg ksi ksk ksn ksr kss n-i nbb nbg nbi nbk nbn nbr nbs ngb ngg ngi ngk ngn ngs nib nig nii nik nin nir nis nki nkk nkn nkr nks nnb nng nni nnk nnn nns nrb nrg nri nrk nrn nrr nrs nsb nsg nsi nsk nsn nsr nss rbb rbg rbi rbk rbn rbr rbs rgb rgg rgi rgk rgn rgr rgs rib rig rii rik rin rir ris rkb rkg rkk rks rnb rng rni rnn rnr rns rrb rrg rri rrk rrn rrr rrs rsb rsg rsi rsk rsn rsr rss sbb sbg sbi sbk sbn sbr sbs sgb sgg sgi sgk sgn sgr sgs sib sig sii sik sin sir sis sk- skb skg ski skk skr sks snb sng sni snk snn snr sns sr- srb srg sri srk srn srr srs ss- ssb ssg ssi ssk ssn ssr sss