bbb bbf bbi bbm bbn bbo bbr bfb bff bfi bfm bfn bfo bfr bi- bib bif bii bim bin bio bir bmb bmf bmi bmm bmn bmo bmr bnb bnf bni bnn bno bnr bob bof boi bom bon boo bor brb brf bri brm brn bro brr fbb fbf fbi fbm fbn fbo fbr fff ffi ffm ffn ffo ffr fib fif fii fim fin fir fmb fmf fmi fmm fmn fmo fmr fnb fnf fni fnm fnn fnr fob fof foi fom fon foo for frb frf fri frm frn fro frr i-f ibb ibf ibi ibm ibn ibo ibr ifb iff ifi ifm ifn ifo ifr iib iif iii iim iin iio iir im- imb imf imi imm imn imo in- inb inf ini inm inn ino inr io- iob iof ioi iom ion ioo ior ir- irb irf iri irm irn iro irr m-f m-o m-r mbb mbf mbi mbm mbo mbr mfb mff mfi mfm mfn mfo mfr mi- mib mif mii mim min mio mir mmb mmf mmi mmm mmn mmo mmr mnb mnf mni mnm mnn mno mnr mob mof moi mom mon moo mor mrb mrf mri mrm mrn mro mrr n-i nbb nbf nbi nbm nbn nbo nbr nfb nff nfi nfn nfo nfr nib nif nii nim nin nio nir nmb nmi nmm nmn nmo nmr nnb nnf nni nnm nnn nno no- nob nof noi nom non noo nor nrb nrf nri nrm nrn nro nrr o-i ob- obb obf obi obm obn obo obr of- ofb off ofi ofm ofn ofo ofr oib oif oii oim oin oio oir om- omb omf omi omm omn omo omr on- onb onf oni onn ono onr oo- oob oof ooi oom oon ooo oor or- orb orf ori orm orn oro orr rbb rbf rbi rbm rbn rbo rbr rfb rff rfi rfm rfn rfo rfr rib rif rii rim rin rio rir rmb rmf rmi rmm rmn rmo rmr rnb rni rnm rnn rno rnr rob rof roi rom ron roo ror rrb rrf rri rrm rrn rrr