-th a-a a-b a-t aaa aab aad aae aah aat aau ab- aba abb abd abe abh abt abu ad- ada adb add ade adh adt adu aea aeb aed aee aeh aet aeu aha ahb ahd ahe ahh aht ahu at- ata atb atd ate ath att atu au- aua aub aud aue auh aut b-u baa bab bad bae bah bat bau bba bbb bbd bbe bbh bbt bbu bda bdb bdd bde bdh bdt bdu be- bea beb bed bee beh bet beu bha bhb bhd bhe bhh bht bhu bta btb btd bte bth btt btu bua bub bud bue buh but buu daa dab dad dae dah dat dau dba dbb dbd dbe dbh dbt dbu dda ddb ddd dde ddh ddt ddu de- dea deb ded dee deh det deu dh- dha dhb dhd dhe dhh dht dhu dta dtb dtd dte dth dtt dtu dua dub dud due duh dut eaa eab ead eae eah eat eau eba ebb ebd ebe ebh ebt ebu ed- eda edb edd ede edh edt edu eea eeb eed eee eet eha ehb ehd ehe ehh eht ehu eta etb etd ete eth ett etu eu- eua eub eud eue eut haa hab had hae hah hat hau hba hbb hbd hbe hbh hbt hbu hda hdb hdd hde hdh hdt hdu he- hea heb hed hee heh het heu hha hhb hhd hhe hhh hht hhu hta htb htd hte hth htt hua hub hud hue huh hut huu taa tab tad tae tah tat tau tba tbb tbd tbe tbh tbt tbu tda tdb tdd tde tdh tdt tdu te- tea teb ted tee teh tet teu th- tha thb thd the thh tht thu tta ttb ttd tte tth ttt ttu tua tub tud tue tuh tut tuu ua- uaa uab uad uae uah uat uau uba ubb ube ubh ubt ubu uda udb udd ude udt udu uea ueb ued uee ueh uet uha uhb uhd uhe uhh uht uhu uta utb utd ute uth utt utu uua uue uut uuu