-er bbb bbe bbi bbl bbn bbr be- beb bee bei bel ben ber bez bi- bib bie bii bil bin bir biz blb ble bli bll bln blr blz bnb bne bni bnl bnn bnr bnz brb bre bri brl brn brr brz bze bzn bzr bzz ebb ebe ebi ebl ebn ebr eeb eee eel een eer eib eie eii eil ein eir elb ele eli ell eln elr elz en- enb ene eni enl enn enr enz erb ere eri erl ern err erz eze ezr ezz ibb ibe ibi ibl ibn ibr ibz ie- iee iei iel ien ier iib iie iii iil iin iir il- ilb ile ili ill iln ilr ilz in- inb ine ini inl inn inr ir- irb ire iri irl irn irr ize izi izz lbb lbe lbi lbl lbr leb lee lei lel len ler lez lib lie lii lil lin lir liz llb lle lli lll lln llr llz lnb lne lni lnl lnn lnr lrb lri lrn lrr lrz lzi lzr n-i nbb nbe nbi nbl nbn nbr ne- neb nee nei nel nen ner nez nib nie nii nil nin nir niz nlb nle nli nll nln nlr nlz nnb nne nni nnl nnn nnz nrb nre nri nrl nrn nrr nrz nzb nze nzi nzz rbb rbe rbi rbl rbn rbr re- reb ree rei rel ren rer rez rib rie rii ril rin rir riz rle rli rll rln rlr rnb rni rnn rnr rnz rrb rri rrl rrn rrr rzb rze zbb zbl zbr zeb zee zel zen zer zez zib zie zil zin zir ziz zlr zne znn zrl zzr zzz