bbb bbg bbi bbn bbo bbr bby bgb bgg bgi bgn bgo bgr bi- bib big bii bin bio bir biy bnb bng bni bnn bno bnr bob bog boi bon boo bor boy brb brg bri brn bro brr bry by- byg byi byn byo byr gbg gbi gbn gbo gbr gby ggb ggg ggi ggn ggo ggr gib gig gii gin gio gir giy gnb gni gnn gno gnr gob gog goi gon goo gor goy grb grg gri grn gro grr gry gy- gyb gyn gyo gyr ibb ibg ibi ibn ibo ibr iby igb igg igi ign igo igr igy iib iii iin iio iir in- inb ing ini inn ino inr iny io- iob iog ioi ion ioo ior ir- irb irg iri irn iro irr iry iyo iyr iyy n-i nbb nbg nbi nbn nbo nbr ngb ngg ngi ngn ngo nib nig nii nin nio nir nnb nng nni nnn nno no- nob nog noi non noo nor noy nrb nrg nri nrn nro nrr nry nyg nyn nyo nyy o-i ob- obb obg obi obn obo obr oby ogg ogi ogn ogo ogy oib oii oin oio oir on- onb ong oni onn ono onr ony oo- oob oog ooi oon ooo oor or- orb org ori orn oro orr ory oyi oyo rbb rbg rbi rbn rbo rbr rgb rgg rgi rgn rgo rgr rib rig rii rin rio rir riy rnb rng rni rnn rno rnr rny rob rog roi ron roo ror roy rrb rrg rri rrn rrr ry- ryg ryn ryo ryr ryy ybg ybi ybr yby ygo yig yii yin yio yir yng ynn yny yob yog yoi yon yoo yor yoy yrg yrn yro yyb yyg yyy