bbb bbf bbi bbm bbn bbo bfb bff bfi bfm bfn bfo bi- bib bif bii bim bin bio bmb bmf bmi bmm bmn bmo bnb bnf bni bnn bno bob bof boi bom bon boo fbb fbf fbi fbm fbn fbo fff ffi ffm ffn ffo fib fif fii fim fin fmb fmf fmi fmm fmn fmo fnb fnf fni fnm fnn fob fof foi fom fon foo i-f ibb ibf ibi ibm ibn ibo ifb iff ifi ifm ifn ifo iib iif iii iim iin iio im- imb imf imi imm imn imo in- inb inf ini inm inn ino io- iob iof ioi iom ion ioo m-f m-o mbb mbf mbi mbm mbo mfb mff mfi mfm mfn mfo mi- mib mif mii mim min mio mmb mmf mmi mmm mmn mmo mnb mnf mni mnm mnn mno mob mof moi mom mon moo n-i nbb nbf nbi nbm nbn nbo nfb nff nfi nfn nfo nib nif nii nim nin nio nmb nmi nmm nmn nmo nnb nnf nni nnm nnn nno no- nob nof noi nom non noo o-i ob- obb obf obi obm obn obo of- ofb off ofi ofm ofn ofo oib oif oii oim oin oio om- omb omf omi omm omn omo on- onb onf oni onn ono oo- oob oof ooi oom oon ooo