-er bbb bbd bbe bbi bbm bbr bbs bdb bdd bde bdi bdm bdr bds be- beb bed bee bei bem ber bes bi- bib bid bie bii bim bir bis bmb bmd bme bmi bmm bmr bms brb brd bre bri brm brr brs bsb bsd bse bsi bsm bsr bss dbb dbd dbe dbi dbm dbr dbs ddb ddd dde ddi ddm ddr dds de- deb ded dee dei dem der des di- dib did die dii dim dir dis dmb dmd dme dmi dmm dmr dms drb drd dre dri drm drr drs dsb dsd dse dsi dsm dsr dss ebb ebd ebe ebi ebm ebr ebs ed- edb edd ede edi edm edr eds eeb eed eee eem eer ees eib eid eie eii eim eir eis em- emb emd eme emi emm emr ems erb erd ere eri erm err ers es- esb esd ese esi esm esr ess i-d ibb ibd ibe ibi ibm ibr ibs idb idd ide idi idm idr ids ie- ied iee iei iem ier ies iib iid iie iii iim iir iis im- imb imd ime imi imm ims ir- irb ird ire iri irm irr irs is- isb isd ise isi ism isr iss m-r mbb mbd mbe mbi mbm mbr mbs mdb mdd mde mdi mdm mdr mds meb med mee mei mem mer mes mi- mib mid mie mii mim mir mis mmb mmd mme mmi mmm mmr mms mrb mrd mre mri mrm mrr mrs msb msd mse msi msm msr mss rbb rbd rbe rbi rbm rbr rbs rdb rdd rde rdi rdm rdr rds re- reb red ree rei rem rer res rib rid rie rii rim rir ris rmb rmd rme rmi rmm rmr rms rrb rrd rri rrm rrr rrs rsb rsd rse rsi rsm rsr rss sbb sbd sbe sbi sbm sbr sbs sdb sdd sde sdi sdm sdr sds se- seb sed see sei sem ser ses sib sid sie sii sim sir sis smb smd sme smi smm smr sms sr- srb srd sre sri srm srr srs ss- ssb ssd sse ssi ssm ssr sss