a-a aaa aae aag aas aau aax aea aee aeg aes aeu aex ag- aga age agg ags agu agx as- asa ase asg ass asu asx au- aua aue aug aus aux ax- axa axe axs axx eaa eae eag eas eau eax eea eee eeg ees eex ega ege egg egs egu egx es- esa ese esg ess esu esx eu- eua eue eug eus eux ex- exa exe exs exu exx gaa gae gag gas gau ge- gea gee geg ges geu gex gga ggg ggs ggu gsa gse gsg gss gsu gsx gu- gua gue gug gus guu gxa gxs saa sae sag sas sau sax se- sea see seg ses seu sex sga sge sgg sgs sgu sgx ss- ssa sse ssg sss ssu ssx sua sue sug sus suu sux sxs sxu ua- uaa uae uag uas uau uea uee ueg ues uga uge ugg ugs ugu ugx usa use usg uss usu usx uua uue uug uus uuu uxu xaa xag xas xau xee xeg xes xeu xex xge xsa xss xue xus xxx