-er bbb bbe bbi bbm bbn bbr bbt be- beb bee bei bem ben ber bet bez bi- bib bie bii bim bin bir bit biz bmb bme bmi bmm bmn bmr bmt bmz bnb bne bni bnn bnr bnt bnz brb bre bri brm brn brr brt brz btb bte bti btm btn btr btt btz bze bzn bzr bzz ebb ebe ebi ebm ebn ebr ebt eeb eee eem een eer eet eib eie eii eim ein eir eit em- emb eme emi emm emn emr emt en- enb ene eni enm enn enr ent enz erb ere eri erm ern err ert erz etb ete eti etm etn etr ett etz eze ezr ezz ibb ibe ibi ibm ibn ibr ibt ibz ie- iee iei iem ien ier iet iib iie iii iim iin iir iit im- imb ime imi imm imn imt imz in- inb ine ini inm inn inr int ir- irb ire iri irm irn irr irt itb ite iti itm itn itt itz ize izi izm izz m-r mbb mbe mbi mbm mbr mbt meb mee mei mem men mer met mez mi- mib mie mii mim min mir mit miz mmb mme mmi mmm mmn mmr mmt mmz mnb mne mni mnm mnn mnr mnt mnz mrb mre mri mrm mrn mrr mrt mrz mtb mte mti mtm mtn mtr mtt mzb mzi mzm mzn mzt n-i nbb nbe nbi nbm nbn nbr nbt ne- neb nee nei nem nen ner net nez nib nie nii nim nin nir nit niz nmb nme nmi nmm nmn nmr nmt nmz nnb nne nni nnm nnn nnt nnz nrb nre nri nrm nrn nrr nrt nrz ntb nte nti ntm ntn ntr ntt ntz nzb nze nzi nzz rbb rbe rbi rbm rbn rbr rbt re- reb ree rei rem ren rer ret rez rib rie rii rim rin rir rit riz rmb rme rmi rmm rmn rmr rmt rnb rni rnm rnn rnr rnt rnz rrb rri rrm rrn rrr rrt rtb rte rti rtm rtn rtr rtt rtz rzb rze rzm tbb tbe tbi tbm tbn tbr tbt tbz te- teb tee tei tem ten ter tet tez tib tie tii tim tin tir tit tiz tmb tme tmi tmm tmn tmr tmt tmz tnb tne tni tnm tnn tnr tnt tnz trb tre tri trm trn trr trt trz ttb tte tti ttm ttn ttr ttt tze zbb zbm zbr zbt zeb zee zem zen zer zet zez zib zie zim zin zir zit ziz zmb zmm zmt zne znn zte ztm ztr zzr zzt zzz