-th a-a a-b a-t aaa aab aag aah aam aat ab- aba abb abg abh abm abt ag- aga agb agg agh agm agt aha ahb ahg ahh ahm aht ama amb amg amh amm amt at- ata atb atg ath atm att baa bab bag bah bam bat bba bbb bbg bbh bbm bbt bga bgb bgg bgh bgm bgt bha bhb bhg bhh bhm bht bma bmb bmg bmh bmm bmt bta btb btg bth btm btt gaa gab gag gah gam gat gba gbg gbh gbm gbt gga ggb ggg ggh ggm ggt gha ghb ghg ghh ght gma gmb gmg gmh gmm gmt gta gtb gtg gth gtm gtt haa hab hag hah ham hat hba hbb hbg hbh hbm hbt hga hgb hgg hgh hgm hgt hha hhb hhg hhh hhm hht hma hmb hmg hmh hmm hmt hta htb htg hth htm htt maa mab mag mah mam mat mba mbb mbg mbh mbm mbt mga mgb mgh mgm mgt mha mhg mhh mhm mht mma mmb mmg mmh mmm mmt mta mtb mtg mth mtm mtt taa tab tag tah tam tat tba tbb tbg tbh tbm tbt tga tgb tgg tgh tgm tgt th- tha thb thg thh thm tht tma tmb tmg tmh tmm tmt tta ttb ttg tth ttm ttt