-er b-u bbb bbd bbe bbi bbm bbn bbr bbu bdb bdd bde bdi bdm bdr bdu be- beb bed bee bei bem ben ber beu bi- bib bid bie bii bim bin bir biu bmb bmd bme bmi bmm bmn bmr bmu bnb bnd bne bni bnn bnr bnu brb brd bre bri brm brn brr bru bub bud bue bui bum bun bur buu dbb dbd dbe dbi dbm dbn dbr dbu ddb ddd dde ddi ddm ddn ddr ddu de- deb ded dee dei dem den der deu di- dib did die dii dim din dir diu dmb dmd dme dmi dmm dmn dmr dmu dnb dnd dne dni dnm dnn dnr drb drd dre dri drm drn drr dru dub dud due dui dum dun dur ebb ebd ebe ebi ebm ebn ebr ebu ed- edb edd ede edi edm edn edr edu eeb eed eee eem een eer eib eid eie eii eim ein eir eiu em- emb emd eme emi emm emn emr emu en- enb end ene eni enm enn enr enu erb erd ere eri erm ern err eru eu- eub eud eue eui eun eur i-d ibb ibd ibe ibi ibm ibn ibr ibu idb idd ide idi idm idn idr idu ie- ied iee iei iem ien ier iib iid iie iii iim iin iir iiu im- imb imd ime imi imm imn imu in- inb ind ine ini inm inn inr inu ir- irb ird ire iri irm irn irr iru iu- iub iud iue iui ium iur m-r mbb mbd mbe mbi mbm mbr mbu mdb mdd mde mdi mdm mdn mdr mdu meb med mee mei mem men mer meu mi- mib mid mie mii mim min mir miu mmb mmd mme mmi mmm mmn mmr mmu mnb mne mni mnm mnn mnr mnu mrb mrd mre mri mrm mrn mrr mru mub mud mue mui mum mun mur muu n-i nbb nbd nbe nbi nbm nbn nbr nbu ndb ndd nde ndi ndm ndn ndr ndu ne- neb ned nee nei nem nen ner neu nib nid nie nii nim nin nir niu nmb nmd nme nmi nmm nmn nmr nmu nnb nne nni nnm nnn nnu nrb nrd nre nri nrm nrn nrr nru nub nud nue nui num nun nur nuu rbb rbd rbe rbi rbm rbn rbr rbu rdb rdd rde rdi rdm rdn rdr rdu re- reb red ree rei rem ren rer reu rib rid rie rii rim rin rir rmb rmd rme rmi rmm rmn rmr rnb rnd rni rnm rnn rnr rnu rrb rrd rri rrm rrn rrr rru rub rud rue rui rum run rur ruu ubb ube ubi ubn ubr ubu udb udd ude udi udm udn udr udu ueb ued uee uei uem uen uer uib uid uie uii uim uin uir uiu um- umb umd ume umi umm umn umr umu un- unb und une uni unm unn unr unu ur- urb urd ure uri urm urn urr uru uue uum uun uur uuu