bbb bbd bbe bbi bbm bbs bbt bdb bdd bde bdi bdm bds bdt be- beb bed bee bei bem bes bet bi- bib bid bie bii bim bis bit bmb bmd bme bmi bmm bms bmt bsb bsd bse bsi bsm bss bst btb btd bte bti btm bts btt dbb dbd dbe dbi dbm dbs dbt ddb ddd dde ddi ddm dds ddt de- deb ded dee dei dem des det di- dib did die dii dim dis dit dmb dmd dme dmi dmm dms dmt dsb dsd dse dsi dsm dss dst dtb dtd dte dti dtm dts dtt ebb ebd ebe ebi ebm ebs ebt ed- edb edd ede edi edm eds edt eeb eed eee eem ees eet eib eid eie eii eim eis eit em- emb emd eme emi emm ems emt es- esb esd ese esi esm ess est etb etd ete eti etm ets ett i-d ibb ibd ibe ibi ibm ibs ibt idb idd ide idi idm ids idt ie- ied iee iei iem ies iet iib iid iie iii iim iis iit im- imb imd ime imi imm ims imt is- isb isd ise isi ism iss ist itb itd ite iti itm its itt mbb mbd mbe mbi mbm mbs mbt mdb mdd mde mdi mdm mds mdt meb med mee mei mem mes met mi- mib mid mie mii mim mis mit mmb mmd mme mmi mmm mms mmt msb msd mse msi msm mss mst mtb mtd mte mti mtm mts mtt sbb sbd sbe sbi sbm sbs sbt sdb sdd sde sdi sdm sds sdt se- seb sed see sei sem ses set sib sid sie sii sim sis sit smb smd sme smi smm sms smt ss- ssb ssd sse ssi ssm sss sst stb std ste sti stm sts stt tbb tbd tbe tbi tbm tbs tbt tdb tdd tde tdi tdm tds tdt te- teb ted tee tei tem tes tet tib tid tie tii tim tis tit tmb tmd tme tmi tmm tms tmt tsb tsd tse tsi tsm tss tst ttb ttd tte tti ttm tts ttt