-er bbb bbe bbf bbg bbi bbn bbr be- beb bee bef beg bei ben ber bfb bfe bff bfg bfi bfn bfr bgb bge bgf bgg bgi bgn bgr bi- bib bie bif big bii bin bir bnb bne bnf bng bni bnn bnr brb bre brf brg bri brn brr ebb ebe ebf ebg ebi ebn ebr eeb eee eef eeg een eer ef- efb efe eff efg efi efr egb ege egf egg egi egn egr eib eie eif eig eii ein eir en- enb ene enf eng eni enn enr erb ere erf erg eri ern err fbb fbe fbf fbg fbi fbn fbr feb fee fef feg fei fen fer ffe fff ffg ffi ffn ffr fgb fge fgf fgg fgi fgn fgr fib fie fif fig fii fin fir fnb fne fnf fng fni fnn fnr frb fre frf frg fri frn frr gbe gbf gbg gbi gbn gbr ge- geb gee gef geg gei gen ger gfb gfe gff gfi gfr ggb ggg ggi ggn ggr gib gie gif gig gii gin gir gnb gne gnf gni gnn gnr grb gre grf grg gri grn grr i-f ibb ibe ibf ibg ibi ibn ibr ie- iee ief ieg iei ien ier ifb ife iff ifg ifi ifn ifr igb ige igf igg igi ign igr iib iie iif iii iin iir in- inb ine inf ing ini inn inr ir- irb ire irf irg iri irn irr n-i nbb nbe nbf nbg nbi nbn nbr ne- neb nee nef neg nei nen ner nfb nfe nff nfi nfn nfr ngb nge ngf ngg ngi ngn nib nie nif nig nii nin nir nnb nne nnf nng nni nnn nrb nre nrf nrg nri nrn nrr rbb rbe rbf rbg rbi rbn rbr re- reb ree ref reg rei ren rer rfb rfe rff rfg rfi rfn rfr rgb rge rgf rgg rgi rgn rgr rib rie rif rig rii rin rir rnb rng rni rnn rnr rrb rrf rrg rri rrn rrr