bbb bbh bbi bbn bbo bbr bhb bhh bhi bho bhr bi- bib bih bii bin bio bir bnb bni bnn bno bnr bob boh boi bon boo bor brb brh bri brn bro brr h-i hbb hbh hbi hbn hbo hbr hhb hhh hhi hhn hho hhr hib hih hii hin hio hir hnb hnh hnn hno hob hoh hoi hon hoo hor hr- hrb hrh hri hrn hro hrr ibb ibh ibi ibn ibo ibr ihb ihh ihi ihn iho ihr iib iih iii iin iio iir in- inb inh ini inn ino inr io- iob ioh ioi ion ioo ior ir- irb iri irn iro irr n-i nbb nbi nbn nbo nbr nhb nhh nhi nhn nhr nib nih nii nin nio nir nnb nnh nni nnn nno no- nob noh noi non noo nor nrb nri nrn nro nrr o-i ob- obb obh obi obn obo obr ohh ohi ohn oho ohr oib oii oin oio oir on- onb onh oni onn ono onr oo- oob ooh ooi oon ooo oor or- orb orh ori orn oro orr rbb rbh rbi rbn rbo rbr rh- rhb rhh rhi rhn rho rhr rib rih rii rin rio rir rnb rnh rni rnn rno rnr rob roh roi ron roo ror rrb rrh rri rrn rrr