-er bbb bbe bbi bbm bbn bbr be- beb bee bei bem ben ber bez bi- bib bie bii bim bin bir biz bmb bme bmi bmm bmn bmr bmz bnb bne bni bnn bnr bnz brb bre bri brm brn brr brz bze bzn bzr bzz ebb ebe ebi ebm ebn ebr eeb eee eem een eer eib eie eii eim ein eir em- emb eme emi emm emn emr en- enb ene eni enm enn enr enz erb ere eri erm ern err erz eze ezr ezz ibb ibe ibi ibm ibn ibr ibz ie- iee iei iem ien ier iib iie iii iim iin iir im- imb ime imi imm imn imz in- inb ine ini inm inn inr ir- irb ire iri irm irn irr ize izi izm izz m-r mbb mbe mbi mbm mbr meb mee mei mem men mer mez mi- mib mie mii mim min mir miz mmb mme mmi mmm mmn mmr mmz mnb mne mni mnm mnn mnr mnz mrb mre mri mrm mrn mrr mrz mzb mzi mzm mzn n-i nbb nbe nbi nbm nbn nbr ne- neb nee nei nem nen ner nez nib nie nii nim nin nir niz nmb nme nmi nmm nmn nmr nmz nnb nne nni nnm nnn nnz nrb nre nri nrm nrn nrr nrz nzb nze nzi nzz rbb rbe rbi rbm rbn rbr re- reb ree rei rem ren rer rez rib rie rii rim rin rir riz rmb rme rmi rmm rmn rmr rnb rni rnm rnn rnr rnz rrb rri rrm rrn rrr rzb rze rzm zbb zbm zbr zeb zee zem zen zer zez zib zie zim zin zir ziz zmb zmm zne znn zzr zzz