bbb bbh bbi bbn bbo bbr bbs bhb bhh bhi bho bhr bhs bi- bib bih bii bin bio bir bis bnb bni bnn bno bnr bns bob boh boi bon boo bor bos brb brh bri brn bro brr brs bsb bsh bsi bsn bso bsr bss h-i hbb hbh hbi hbn hbo hbr hbs hhb hhh hhi hhn hho hhr hhs hib hih hii hin hio hir his hnb hnh hnn hno hns hob hoh hoi hon hoo hor hos hr- hrb hrh hri hrn hro hrr hrs hsb hsh hsi hsn hsr hss ibb ibh ibi ibn ibo ibr ibs ihb ihh ihi ihn iho ihr ihs iib iih iii iin iio iir iis in- inb inh ini inn ino inr ins io- iob ioh ioi ion ioo ior ios ir- irb iri irn iro irr irs is- isb ish isi isn iso isr iss n-i nbb nbi nbn nbo nbr nbs nhb nhh nhi nhn nhr nhs nib nih nii nin nio nir nis nnb nnh nni nnn nno nns no- nob noh noi non noo nor nos nrb nri nrn nro nrr nrs nsb nsh nsi nsn nso nsr nss o-i ob- obb obh obi obn obo obr obs ohh ohi ohn oho ohr ohs oib oii oin oio oir ois on- onb onh oni onn ono onr ons oo- oob ooh ooi oon ooo oor oos or- orb orh ori orn oro orr ors os- osb osh osi osn oso osr oss rbb rbh rbi rbn rbo rbr rbs rh- rhb rhh rhi rhn rho rhr rhs rib rih rii rin rio rir ris rnb rnh rni rnn rno rnr rns rob roh roi ron roo ror ros rrb rrh rri rrn rrr rrs rsb rsh rsi rsn rso rsr rss sbb sbh sbi sbn sbo sbr sbs sh- shb shh shi shn sho shr shs sib sih sii sin sio sir sis snb sni snn sno snr sns sob soh soi son soo sor sos sr- srb srh sri srn sro srr srs ss- ssb ssh ssi ssn sso ssr sss