-er bbb bbe bbf bbi bbn bbr be- beb bee bef bei ben ber bfb bfe bff bfi bfn bfr bi- bib bie bif bii bin bir bnb bne bnf bni bnn bnr brb bre brf bri brn brr ebb ebe ebf ebi ebn ebr eeb eee eef een eer ef- efb efe eff efi efr eib eie eif eii ein eir en- enb ene enf eni enn enr erb ere erf eri ern err fbb fbe fbf fbi fbn fbr feb fee fef fei fen fer ffe fff ffi ffn ffr fib fie fif fii fin fir fnb fne fnf fni fnn fnr frb fre frf fri frn frr i-f ibb ibe ibf ibi ibn ibr ie- iee ief iei ien ier ifb ife iff ifi ifn ifr iib iie iif iii iin iir in- inb ine inf ini inn inr ir- irb ire irf iri irn irr n-i nbb nbe nbf nbi nbn nbr ne- neb nee nef nei nen ner nfb nfe nff nfi nfn nfr nib nie nif nii nin nir nnb nne nnf nni nnn nrb nre nrf nri nrn nrr rbb rbe rbf rbi rbn rbr re- reb ree ref rei ren rer rfb rfe rff rfi rfn rfr rib rie rif rii rin rir rnb rni rnn rnr rrb rrf rri rrn rrr