-th a-a a-b a-t aaa aab aad aae aah aas aat aau ab- aba abb abd abe abh abs abt abu ad- ada adb add ade adh ads adt adu aea aeb aed aee aeh aes aet aeu aha ahb ahd ahe ahh ahs aht ahu as- asa asb asd ase ash ass ast asu at- ata atb atd ate ath ats att atu au- aua aub aud aue auh aus aut b-u baa bab bad bae bah bas bat bau bba bbb bbd bbe bbh bbs bbt bbu bda bdb bdd bde bdh bds bdt bdu be- bea beb bed bee beh bes bet beu bha bhb bhd bhe bhh bhs bht bhu bsa bsb bsd bse bsh bss bst bsu bta btb btd bte bth bts btt btu bua bub bud bue buh bus but buu daa dab dad dae dah das dat dau dba dbb dbd dbe dbh dbs dbt dbu dda ddb ddd dde ddh dds ddt ddu de- dea deb ded dee deh des det deu dh- dha dhb dhd dhe dhh dhs dht dhu dsa dsb dsd dse dsh dss dst dsu dta dtb dtd dte dth dts dtt dtu dua dub dud due duh dus dut eaa eab ead eae eah eas eat eau eba ebb ebd ebe ebh ebs ebt ebu ed- eda edb edd ede edh eds edt edu eea eeb eed eee ees eet eha ehb ehd ehe ehh ehs eht ehu es- esa esb esd ese esh ess est esu eta etb etd ete eth ets ett etu eu- eua eub eud eue eus eut haa hab had hae hah has hat hau hba hbb hbd hbe hbh hbs hbt hbu hda hdb hdd hde hdh hds hdt hdu he- hea heb hed hee heh hes het heu hha hhb hhd hhe hhh hhs hht hhu hsa hsb hsd hse hsh hss hst hsu hta htb htd hte hth hts htt hua hub hud hue huh hus hut huu saa sab sad sae sah sas sat sau sba sbb sbd sbe sbh sbs sbt sbu sda sdb sdd sde sdh sds sdt sdu se- sea seb sed see seh ses set seu sh- sha shb shd she shh shs sht shu ss- ssa ssb ssd sse ssh sss sst ssu sta stb std ste sth sts stt stu sua sub sud sue suh sus sut suu taa tab tad tae tah tas tat tau tba tbb tbd tbe tbh tbs tbt tbu tda tdb tdd tde tdh tds tdt tdu te- tea teb ted tee teh tes tet teu th- tha thb thd the thh ths tht thu tsa tsb tsd tse tsh tss tst tsu tta ttb ttd tte tth tts ttt ttu tua tub tud tue tuh tus tut tuu ua- uaa uab uad uae uah uas uat uau uba ubb ube ubh ubs ubt ubu uda udb udd ude uds udt udu uea ueb ued uee ueh ues uet uha uhb uhd uhe uhh uhs uht uhu usa usb usd use ush uss ust usu uta utb utd ute uth uts utt utu uua uue uus uut uuu