-th a-a a-b a-t aaa aab aad aae aah aam aat ab- aba abb abd abe abh abm abt ad- ada adb add ade adh adm adt aea aeb aed aee aeh aem aet aha ahb ahd ahe ahh ahm aht ama amb amd ame amh amm amt at- ata atb atd ate ath atm att baa bab bad bae bah bam bat bba bbb bbd bbe bbh bbm bbt bda bdb bdd bde bdh bdm bdt be- bea beb bed bee beh bem bet bha bhb bhd bhe bhh bhm bht bma bmb bmd bme bmh bmm bmt bta btb btd bte bth btm btt daa dab dad dae dah dam dat dba dbb dbd dbe dbh dbm dbt dda ddb ddd dde ddh ddm ddt de- dea deb ded dee deh dem det dh- dha dhb dhd dhe dhh dhm dht dma dmb dmd dme dmh dmm dmt dta dtb dtd dte dth dtm dtt eaa eab ead eae eah eam eat eba ebb ebd ebe ebh ebm ebt ed- eda edb edd ede edh edm edt eea eeb eed eee eem eet eha ehb ehd ehe ehh ehm eht em- ema emb emd eme emh emm emt eta etb etd ete eth etm ett haa hab had hae hah ham hat hba hbb hbd hbe hbh hbm hbt hda hdb hdd hde hdh hdm hdt he- hea heb hed hee heh hem het hha hhb hhd hhe hhh hhm hht hma hmb hmd hme hmh hmm hmt hta htb htd hte hth htm htt maa mab mad mae mah mam mat mba mbb mbd mbe mbh mbm mbt mda mdb mdd mde mdh mdm mdt mea meb med mee meh mem met mha mhd mhh mhm mht mma mmb mmd mme mmh mmm mmt mta mtb mtd mte mth mtm mtt taa tab tad tae tah tam tat tba tbb tbd tbe tbh tbm tbt tda tdb tdd tde tdh tdm tdt te- tea teb ted tee teh tem tet th- tha thb thd the thh thm tht tma tmb tmd tme tmh tmm tmt tta ttb ttd tte tth ttm ttt