bbb bbe bbf bbg bbi bbn bbo be- beb bee bef beg bei ben beo bfb bfe bff bfg bfi bfn bfo bgb bge bgf bgg bgi bgn bgo bi- bib bie bif big bii bin bio bnb bne bnf bng bni bnn bno bob boe bof bog boi bon boo ebb ebe ebf ebg ebi ebn ebo eeb eee eef eeg een eeo ef- efb efe eff efg efi efo egb ege egf egg egi egn ego eib eie eif eig eii ein eio en- enb ene enf eng eni enn eno eo- eob eoe eof eog eoi eon eoo fbb fbe fbf fbg fbi fbn fbo feb fee fef feg fei fen feo ffe fff ffg ffi ffn ffo fgb fge fgf fgg fgi fgn fib fie fif fig fii fin fnb fne fnf fng fni fnn fob foe fof fog foi fon foo gbe gbf gbg gbi gbn gbo ge- geb gee gef geg gei gen geo gfb gfe gff gfi gfo ggb ggg ggi ggn ggo gib gie gif gig gii gin gio gnb gne gnf gni gnn gno gob goe gof gog goi gon goo i-f ibb ibe ibf ibg ibi ibn ibo ie- iee ief ieg iei ien ifb ife iff ifg ifi ifn ifo igb ige igf igg igi ign igo iib iie iif iii iin iio in- inb ine inf ing ini inn ino io- iob ioe iof iog ioi ion ioo n-i nbb nbe nbf nbg nbi nbn nbo ne- neb nee nef neg nei nen neo nfb nfe nff nfi nfn nfo ngb nge ngf ngg ngi ngn ngo nib nie nif nig nii nin nio nnb nne nnf nng nni nnn nno no- nob noe nof nog noi non noo o-i ob- obb obe obf obg obi obn obo oeb oee oef oeg oei oen oeo of- ofb ofe off ofg ofi ofn ofo oge ogf ogg ogi ogn ogo oib oie oif oii oin oio on- onb one onf ong oni onn ono oo- oob oof oog ooi oon ooo