-th a-a a-b a-t aaa aab aad aae aah aam aas aat ab- aba abb abd abe abh abm abs abt ad- ada adb add ade adh adm ads adt aea aeb aed aee aeh aem aes aet aha ahb ahd ahe ahh ahm ahs aht ama amb amd ame amh amm ams amt as- asa asb asd ase ash asm ass ast at- ata atb atd ate ath atm ats att baa bab bad bae bah bam bas bat bba bbb bbd bbe bbh bbm bbs bbt bda bdb bdd bde bdh bdm bds bdt be- bea beb bed bee beh bem bes bet bha bhb bhd bhe bhh bhm bhs bht bma bmb bmd bme bmh bmm bms bmt bsa bsb bsd bse bsh bsm bss bst bta btb btd bte bth btm bts btt daa dab dad dae dah dam das dat dba dbb dbd dbe dbh dbm dbs dbt dda ddb ddd dde ddh ddm dds ddt de- dea deb ded dee deh dem des det dh- dha dhb dhd dhe dhh dhm dhs dht dma dmb dmd dme dmh dmm dms dmt dsa dsb dsd dse dsh dsm dss dst dta dtb dtd dte dth dtm dts dtt eaa eab ead eae eah eam eas eat eba ebb ebd ebe ebh ebm ebs ebt ed- eda edb edd ede edh edm eds edt eea eeb eed eee eem ees eet eha ehb ehd ehe ehh ehm ehs eht em- ema emb emd eme emh emm ems emt es- esa esb esd ese esh esm ess est eta etb etd ete eth etm ets ett haa hab had hae hah ham has hat hba hbb hbd hbe hbh hbm hbs hbt hda hdb hdd hde hdh hdm hds hdt he- hea heb hed hee heh hem hes het hha hhb hhd hhe hhh hhm hhs hht hma hmb hmd hme hmh hmm hms hmt hsa hsb hsd hse hsh hsm hss hst hta htb htd hte hth htm hts htt maa mab mad mae mah mam mas mat mba mbb mbd mbe mbh mbm mbs mbt mda mdb mdd mde mdh mdm mds mdt mea meb med mee meh mem mes met mha mhd mhh mhm mhs mht mma mmb mmd mme mmh mmm mms mmt msa msb msd mse msh msm mss mst mta mtb mtd mte mth mtm mts mtt saa sab sad sae sah sam sas sat sba sbb sbd sbe sbh sbm sbs sbt sda sdb sdd sde sdh sdm sds sdt se- sea seb sed see seh sem ses set sh- sha shb shd she shh shm shs sht sma smb smd sme smh smm sms smt ss- ssa ssb ssd sse ssh ssm sss sst sta stb std ste sth stm sts stt taa tab tad tae tah tam tas tat tba tbb tbd tbe tbh tbm tbs tbt tda tdb tdd tde tdh tdm tds tdt te- tea teb ted tee teh tem tes tet th- tha thb thd the thh thm ths tht tma tmb tmd tme tmh tmm tms tmt tsa tsb tsd tse tsh tsm tss tst tta ttb ttd tte tth ttm tts ttt