-er bbb bbe bbi bbm bbn bbr bbt be- beb bee bei bem ben ber bet bi- bib bie bii bim bin bir bit bmb bme bmi bmm bmn bmr bmt bnb bne bni bnn bnr bnt brb bre bri brm brn brr brt btb bte bti btm btn btr btt 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 erb ere eri erm ern err ert etb ete eti etm etn etr ett ibb ibe ibi ibm ibn ibr ibt ie- iee iei iem ien ier iet iib iie iii iim iin iir iit im- imb ime imi imm imn imt in- inb ine ini inm inn inr int ir- irb ire iri irm irn irr irt itb ite iti itm itn itt m-r mbb mbe mbi mbm mbr mbt meb mee mei mem men mer met mi- mib mie mii mim min mir mit mmb mme mmi mmm mmn mmr mmt mnb mne mni mnm mnn mnr mnt mrb mre mri mrm mrn mrr mrt mtb mte mti mtm mtn mtr mtt n-i nbb nbe nbi nbm nbn nbr nbt ne- neb nee nei nem nen ner net nib nie nii nim nin nir nit nmb nme nmi nmm nmn nmr nmt nnb nne nni nnm nnn nnt nrb nre nri nrm nrn nrr nrt ntb nte nti ntm ntn ntr ntt rbb rbe rbi rbm rbn rbr rbt re- reb ree rei rem ren rer ret rib rie rii rim rin rir rit rmb rme rmi rmm rmn rmr rmt rnb rni rnm rnn rnr rnt rrb rri rrm rrn rrr rrt rtb rte rti rtm rtn rtr rtt tbb tbe tbi tbm tbn tbr tbt te- teb tee tei tem ten ter tet tib tie tii tim tin tir tit tmb tme tmi tmm tmn tmr tmt tnb tne tni tnm tnn tnr tnt trb tre tri trm trn trr trt ttb tte tti ttm ttn ttr ttt