bbb bbh bbi bbn bbr bbs bhb bhh bhi bhr bhs bi- bib bih bii bin bir bis bnb bni bnn bnr bns brb brh bri brn brr brs bsb bsh bsi bsn bsr bss h-i hbb hbh hbi hbn hbr hbs hhb hhh hhi hhn hhr hhs hib hih hii hin hir his hnb hnh hnn hns hr- hrb hrh hri hrn hrr hrs hsb hsh hsi hsn hsr hss ibb ibh ibi ibn ibr ibs ihb ihh ihi ihn ihr ihs iib iih iii iin iir iis in- inb inh ini inn inr ins ir- irb iri irn irr irs is- isb ish isi isn isr iss n-i nbb nbi nbn nbr nbs nhb nhh nhi nhn nhr nhs nib nih nii nin nir nis nnb nnh nni nnn nns nrb nri nrn nrr nrs nsb nsh nsi nsn nsr nss rbb rbh rbi rbn rbr rbs rh- rhb rhh rhi rhn rhr rhs rib rih rii rin rir ris rnb rnh rni rnn rnr rns rrb rrh rri rrn rrr rrs rsb rsh rsi rsn rsr rss sbb sbh sbi sbn sbr sbs sh- shb shh shi shn shr shs sib sih sii sin sir sis snb sni snn snr sns sr- srb srh sri srn srr srs ss- ssb ssh ssi ssn ssr sss