bbb bbi bbm bbn bbo bbr bi- bib bii bim bin bio bir bmb bmi bmm bmn bmo bmr bnb bni bnn bno bnr bob boi bom bon boo bor brb bri brm brn bro brr ibb ibi ibm ibn ibo ibr iib iii iim iin iio iir im- imb imi imm imn imo in- inb ini inm inn ino inr io- iob ioi iom ion ioo ior ir- irb iri irm irn iro irr m-o m-r mbb mbi mbm mbo mbr mi- mib mii mim min mio mir mmb mmi mmm mmn mmo mmr mnb mni mnm mnn mno mnr mob moi mom mon moo mor mrb mri mrm mrn mro mrr n-i nbb nbi nbm nbn nbo nbr nib nii nim nin nio nir nmb nmi nmm nmn nmo nmr nnb nni nnm nnn nno no- nob noi nom non noo nor nrb nri nrm nrn nro nrr o-i ob- obb obi obm obn obo obr oib oii oim oin oio oir om- omb omi omm omn omo omr on- onb oni onn ono onr oo- oob ooi oom oon ooo oor or- orb ori orm orn oro orr rbb rbi rbm rbn rbo rbr rib rii rim rin rio rir rmb rmi rmm rmn rmo rmr rnb rni rnm rnn rno rnr rob roi rom ron roo ror rrb rri rrm rrn rrr