-th a-a a-b a-t aaa aab aad aah aam aat ab- aba abb abd abh abm abt ad- ada adb add adh adm adt aha ahb ahd ahh ahm aht ama amb amd amh amm amt at- ata atb atd ath atm att baa bab bad bah bam bat bba bbb bbd bbh bbm bbt bda bdb bdd bdh bdm bdt bha bhb bhd bhh bhm bht bma bmb bmd bmh bmm bmt bta btb btd bth btm btt daa dab dad dah dam dat dba dbb dbd dbh dbm dbt dda ddb ddd ddh ddm ddt dh- dha dhb dhd dhh dhm dht dma dmb dmd dmh dmm dmt dta dtb dtd dth dtm dtt haa hab had hah ham hat hba hbb hbd hbh hbm hbt hda hdb hdd hdh hdm hdt hha hhb hhd hhh hhm hht hma hmb hmd hmh hmm hmt hta htb htd hth htm htt maa mab mad mah mam mat mba mbb mbd mbh mbm mbt mda mdb mdd mdh mdm mdt mha mhd mhh mhm mht mma mmb mmd mmh mmm mmt mta mtb mtd mth mtm mtt taa tab tad tah tam tat tba tbb tbd tbh tbm tbt tda tdb tdd tdh tdm tdt th- tha thb thd thh thm tht tma tmb tmd tmh tmm tmt tta ttb ttd tth ttm ttt