a-a a-b a-i a-t aaa aab aad aae aai aam aas aat ab- aba abb abd abe abi abm abs abt ad- ada adb add ade adi adm ads adt aea aeb aed aee aei aem aes aet ai- aia aib aid aie aii aim ais ait ama amb amd ame ami amm ams amt as- asa asb asd ase asi asm ass ast at- ata atb atd ate ati atm ats att baa bab bad bae bai bam bas bat bba bbb bbd bbe bbi bbm bbs bbt bda bdb bdd bde bdi bdm bds bdt be- bea beb bed bee bei bem bes bet bi- bia bib bid bie bii bim bis bit bma bmb bmd bme bmi bmm bms bmt bsa bsb bsd bse bsi bsm bss bst bta btb btd bte bti btm bts btt daa dab dad dae dai dam das dat dba dbb dbd dbe dbi dbm dbs dbt dda ddb ddd dde ddi ddm dds ddt de- dea deb ded dee dei dem des det di- dia dib did die dii dim dis dit dma dmb dmd dme dmi dmm dms dmt dsa dsb dsd dse dsi dsm dss dst dta dtb dtd dte dti dtm dts dtt eaa eab ead eae eai eam eas eat eba ebb ebd ebe ebi ebm ebs ebt ed- eda edb edd ede edi edm eds edt eea eeb eed eee eem ees eet eia eib eid eie eii eim eis eit em- ema emb emd eme emi emm ems emt es- esa esb esd ese esi esm ess est eta etb etd ete eti etm ets ett i-d ia- iaa iab iad iae iai iam ias iat iba ibb ibd ibe ibi ibm ibs ibt ida idb idd ide idi idm ids idt ie- iea ied iee iei iem ies iet iia iib iid iie iii iim iis iit im- ima imb imd ime imi imm ims imt is- isa isb isd ise isi ism iss ist ita itb itd ite iti itm its itt maa mab mad mae mai mam mas mat mba mbb mbd mbe mbi mbm mbs mbt mda mdb mdd mde mdi mdm mds mdt mea meb med mee mei mem mes met mi- mia mib mid mie mii mim mis mit mma mmb mmd mme mmi mmm mms mmt msa msb msd mse msi msm mss mst mta mtb mtd mte mti mtm mts mtt saa sab sad sae sai sam sas sat sba sbb sbd sbe sbi sbm sbs sbt sda sdb sdd sde sdi sdm sds sdt se- sea seb sed see sei sem ses set sia sib sid sie sii sim sis sit sma smb smd sme smi smm sms smt ss- ssa ssb ssd sse ssi ssm sss sst sta stb std ste sti stm sts stt taa tab tad tae tai tam tas tat tba tbb tbd tbe tbi tbm tbs tbt tda tdb tdd tde tdi tdm tds tdt te- tea teb ted tee tei tem tes tet tia tib tid tie tii tim tis tit tma tmb tmd tme tmi tmm tms tmt tsa tsb tsd tse tsi tsm tss tst tta ttb ttd tte tti ttm tts ttt