-er b-u bbb bbd bbe bbi bbm bbr bbt bbu bdb bdd bde bdi bdm bdr bdt bdu be- beb bed bee bei bem ber bet beu bi- bib bid bie bii bim bir bit biu bmb bmd bme bmi bmm bmr bmt bmu brb brd bre bri brm brr brt bru btb btd bte bti btm btr btt btu bub bud bue bui bum bur but buu dbb dbd dbe dbi dbm dbr dbt dbu ddb ddd dde ddi ddm ddr ddt ddu de- deb ded dee dei dem der det deu di- dib did die dii dim dir dit diu dmb dmd dme dmi dmm dmr dmt dmu drb drd dre dri drm drr drt dru dtb dtd dte dti dtm dtr dtt dtu dub dud due dui dum dur dut ebb ebd ebe ebi ebm ebr ebt ebu ed- edb edd ede edi edm edr edt edu eeb eed eee eem eer eet eib eid eie eii eim eir eit eiu em- emb emd eme emi emm emr emt emu erb erd ere eri erm err ert eru etb etd ete eti etm etr ett etu eu- eub eud eue eui eur eut i-d ibb ibd ibe ibi ibm ibr ibt ibu idb idd ide idi idm idr idt idu ie- ied iee iei iem ier iet iib iid iie iii iim iir iit iiu im- imb imd ime imi imm imt imu ir- irb ird ire iri irm irr irt iru itb itd ite iti itm itt itu iu- iub iud iue iui ium iur iut m-r mbb mbd mbe mbi mbm mbr mbt mbu mdb mdd mde mdi mdm mdr mdt mdu meb med mee mei mem mer met meu mi- mib mid mie mii mim mir mit miu mmb mmd mme mmi mmm mmr mmt mmu mrb mrd mre mri mrm mrr mrt mru mtb mtd mte mti mtm mtr mtt mtu mub mud mue mui mum mur mut muu rbb rbd rbe rbi rbm rbr rbt rbu rdb rdd rde rdi rdm rdr rdt rdu re- reb red ree rei rem rer ret reu rib rid rie rii rim rir rit rmb rmd rme rmi rmm rmr rmt rrb rrd rri rrm rrr rrt rru rtb rtd rte rti rtm rtr rtt rtu rub rud rue rui rum rur rut ruu tbb tbd tbe tbi tbm tbr tbt tbu tdb tdd tde tdi tdm tdr tdt tdu te- teb ted tee tei tem ter tet teu tib tid tie tii tim tir tit tiu tmb tmd tme tmi tmm tmr tmt tmu trb trd tre tri trm trr trt tru ttb ttd tte tti ttm ttr ttt ttu tub tud tue tui tum tur tut tuu ubb ube ubi ubr ubt ubu udb udd ude udi udm udr udt udu ueb ued uee uei uem uer uet uib uid uie uii uim uir uit uiu um- umb umd ume umi umm umr umt umu ur- urb urd ure uri urm urr urt uru utb utd ute uti utm utr utt utu uue uum uur uut uuu