a-a a-t aaa aae aas aat aau aax aea aee aes aet aeu aex as- asa ase ass ast asu asx at- ata ate ats att atu atx au- aua aue aus aut aux ax- axa axe axs axt axx eaa eae eas eat eau eax eea eee ees eet eex es- esa ese ess est esu esx eta ete ets ett etu etx eu- eua eue eus eut eux ex- exa exe exs ext exu exx saa sae sas sat sau sax se- sea see ses set seu sex ss- ssa sse sss sst ssu ssx sta ste sts stt stu stx sua sue sus sut suu sux sxs sxt sxu t-x taa tae tas tat tau tax te- tea tee tes tet teu tex tsa tse tss tst tsu tsx tta tte tts ttt ttu ttx tua tue tus tut tuu tux txe txs txt txu ua- uaa uae uas uat uau uea uee ues uet usa use uss ust usu usx uta ute uts utt utu utx uua uue uus uut uuu uxt uxu xaa xas xat xau xee xes xet xeu xex xsa xss xst xts xtx xue xus xxx