b-p bbb bbh bbi bbn bbo bbp bbr bhb bhh bhi bho bhp bhr bi- bib bih bii bin bio bip bir bnb bni bnn bno bnp bnr bob boh boi bon boo bop bor bpb bph bpi bpn bpo bpp bpr brb brh bri brn bro brp brr h-i hbb hbh hbi hbn hbo hbp hbr hhb hhh hhi hhn hho hhp hhr hib hih hii hin hio hip hir hnb hnh hnn hno hob hoh hoi hon hoo hop hor hpb hph hpi hpn hpo hpp hpr hr- hrb hrh hri hrn hro hrp hrr ibb ibh ibi ibn ibo ibp ibr ihb ihh ihi ihn iho ihp ihr iib iih iii iin iio iip iir in- inb inh ini inn ino inp inr io- iob ioh ioi ion ioo iop ior ipb ipi ipn ipo ipp ipr ir- irb iri irn iro irp irr n-i nbb nbi nbn nbo nbp nbr nhb nhh nhi nhn nhp nhr nib nih nii nin nio nip nir nnb nnh nni nnn nno nnp no- nob noh noi non noo nop nor npb nph npi npn npo npp npr nrb nri nrn nro nrp nrr o-i ob- obb obh obi obn obo obp obr ohh ohi ohn oho ohp ohr oib oii oin oio oip oir on- onb onh oni onn ono onp onr oo- oob ooh ooi oon ooo oop oor op- opb oph opi opn opo opp opr or- orb orh ori orn oro orp orr p-p pbb pbi pbn pbo pbp pbr phb phi phn pho php phr pib pih pii pin pio pip pir pn- pnb pnh pni pnn pno pnp pnr pob poh poi pon poo pop por ppb pph ppi ppn ppo ppp ppr prb prh pri prn pro prp prr rbb rbh rbi rbn rbo rbp rbr rh- rhb rhh rhi rhn rho rhp rhr rib rih rii rin rio rip rir rnb rnh rni rnn rno rnp rnr rob roh roi ron roo rop ror rpb rph rpi rpn rpo rpp rpr rrb rrh rri rrn rrp rrr