-th a-a a-b a-t aaa aab aah aam aan aat ab- aba abb abh abm abn abt aha ahb ahh ahm ahn aht ama amb amh amm amn amt an- ana anb anh anm ann ant at- ata atb ath atm atn att baa bab bah bam ban bat bba bbb bbh bbm bbn bbt bha bhb bhh bhm bht bma bmb bmh bmm bmn bmt bna bnb bnn bnt bta btb bth btm btn btt haa hab hah ham han hat hba hbb hbh hbm hbn hbt hha hhb hhh hhm hhn hht hma hmb hmh hmm hmt hna hnb hnh hnn hnt hta htb hth htm htn htt maa mab mah mam man mat mba mbb mbh mbm mbt mha mhh mhm mhn mht mma mmb mmh mmm mmn mmt mna mnb mnm mnn mnt mta mtb mth mtm mtn mtt naa nab nah nam nan nat nba nbb nbm nbn nbt nha nhb nhh nhm nhn nht nma nmb nmh nmm nmn nmt nna nnb nnh nnm nnn nnt nta ntb nth ntm ntn ntt taa tab tah tam tan tat tba tbb tbh tbm tbn tbt th- tha thb thh thm thn tht tma tmb tmh tmm tmn tmt tna tnb tnh tnm tnn tnt tta ttb tth ttm ttn ttt