-th a-a a-b a-t aaa aab aae aah aam aan aat ab- aba abb abe abh abm abn abt aea aeb aee aeh aem aen aet aha ahb ahe ahh ahm ahn aht ama amb ame amh amm amn amt an- ana anb ane anh anm ann ant at- ata atb ate ath atm atn att baa bab bae bah bam ban bat bba bbb bbe bbh bbm bbn bbt be- bea beb bee beh bem ben bet bha bhb bhe bhh bhm bht bma bmb bme bmh bmm bmn bmt bna bnb bne bnn bnt bta btb bte bth btm btn btt eaa eab eae eah eam ean eat eba ebb ebe ebh ebm ebn ebt eea eeb eee eem een eet eha ehb ehe ehh ehm ehn eht em- ema emb eme emh emm emn emt en- ena enb ene enh enm enn ent eta etb ete eth etm etn ett haa hab hae hah ham han hat hba hbb hbe hbh hbm hbn hbt he- hea heb hee heh hem hen het hha hhb hhe hhh hhm hhn hht hma hmb hme hmh hmm hmt hna hnb hne hnh hnn hnt hta htb hte hth htm htn htt maa mab mae mah mam man mat mba mbb mbe mbh mbm mbt mea meb mee meh mem men met mha mhh mhm mhn mht mma mmb mme mmh mmm mmn mmt mna mnb mne mnm mnn mnt mta mtb mte mth mtm mtn mtt naa nab nae nah nam nan nat nba nbb nbe nbm nbn nbt ne- nea neb nee neh nem nen net nha nhb nhe nhh nhm nhn nht nma nmb nme nmh nmm nmn nmt nna nnb nne nnh nnm nnn nnt nta ntb nte nth ntm ntn ntt taa tab tae tah tam tan tat tba tbb tbe tbh tbm tbn tbt te- tea teb tee teh tem ten tet th- tha thb the thh thm thn tht tma tmb tme tmh tmm tmn tmt tna tnb tne tnh tnm tnn tnt tta ttb tte tth ttm ttn ttt