-er bbb bbe bbi bbl bbn bbr be- beb bee bei bel ben ber bi- bib bie bii bil bin bir blb ble bli bll bln blr bnb bne bni bnl bnn bnr brb bre bri brl brn brr ebb ebe ebi ebl ebn ebr eeb eee eel een eer eib eie eii eil ein eir elb ele eli ell eln elr en- enb ene eni enl enn enr erb ere eri erl ern err ibb ibe ibi ibl ibn ibr ie- iee iei iel ien ier iib iie iii iil iin iir il- ilb ile ili ill iln ilr in- inb ine ini inl inn inr ir- irb ire iri irl irn irr lbb lbe lbi lbl lbr leb lee lei lel len ler lib lie lii lil lin lir llb lle lli lll lln llr lnb lne lni lnl lnn lnr lrb lri lrn lrr n-i nbb nbe nbi nbl nbn nbr ne- neb nee nei nel nen ner nib nie nii nil nin nir nlb nle nli nll nln nlr nnb nne nni nnl nnn nrb nre nri nrl nrn nrr rbb rbe rbi rbl rbn rbr re- reb ree rei rel ren rer rib rie rii ril rin rir rle rli rll rln rlr rnb rni rnn rnr rrb rri rrl rrn rrr