bbb bbg bbi bbm bbn bbr bgb bgg bgi bgm bgn bgr bi- bib big bii bim bin bir bmb bmg bmi bmm bmn bmr bnb bng bni bnn bnr brb brg bri brm brn brr gbg gbi gbm gbn gbr ggb ggg ggi ggm ggn ggr gib gig gii gim gin gir gmb gmg gmi gmm gmn gmr gnb gni gnm gnn gnr grb grg gri grm grn grr ibb ibg ibi ibm ibn ibr igb igg igi igm ign igr iib iii iim iin iir im- imb img imi imm imn in- inb ing ini inm inn inr ir- irb irg iri irm irn irr m-r mbb mbg mbi mbm mbr mgb mgi mgm mgn mgr mi- mib mig mii mim min mir mmb mmg mmi mmm mmn mmr mnb mng mni mnm mnn mnr mrb mrg mri mrm mrn mrr n-i nbb nbg nbi nbm nbn nbr ngb ngg ngi ngm ngn nib nig nii nim nin nir nmb nmg nmi nmm nmn nmr nnb nng nni nnm nnn nrb nrg nri nrm nrn nrr rbb rbg rbi rbm rbn rbr rgb rgg rgi rgn rgr rib rig rii rim rin rir rmb rmg rmi rmm rmn rmr rnb rng rni rnm rnn rnr rrb rrg rri rrm rrn rrr