a-a a-i a-t aaa aae aag aai aas aat aau aax aea aee aeg aei aes aet aeu aex ag- aga age agg agi ags agt agu agx ai- aia aie aig aii ais ait aiu aix as- asa ase asg asi ass ast asu asx at- ata ate atg ati ats att atu atx au- aua aue aug aui aus aut aux ax- axa axe axi axs axt axx eaa eae eag eai eas eat eau eax eea eee eeg ees eet eex ega ege egg egi egs egt egu egx eia eie eig eii eis eit eiu eix es- esa ese esg esi ess est esu esx eta ete etg eti ets ett etu etx eu- eua eue eug eui eus eut eux ex- exa exe exi exs ext exu exx gaa gae gag gai gas gat gau ge- gea gee geg gei ges get geu gex gga ggg ggi ggs ggt ggu gia gie gig gii gis git giu gsa gse gsg gsi gss gst gsu gsx gta gte gtg gti gts gtt gtu gtx gu- gua gue gug gui gus gut guu gxa gxs gxt ia- iaa iae iag iai ias iat iau ie- iea iee ieg iei ies iet iex iga ige igg igi igs igt igu iia iie iii iis iit iiu iix is- isa ise isg isi iss ist isu ita ite itg iti its itt itu itx iu- iua iue iug iui ius iut ixe ixi saa sae sag sai sas sat sau sax se- sea see seg sei ses set seu sex sga sge sgg sgi sgs sgt sgu sgx sia sie sig sii sis sit siu six ss- ssa sse ssg ssi sss sst ssu ssx sta ste stg sti sts stt stu stx sua sue sug sui sus sut suu sux sxi sxs sxt sxu t-x taa tae tag tai tas tat tau tax te- tea tee teg tei tes tet teu tex tga tge tgg tgi tgs tgt tgu tia tie tig tii tis tit tiu tix tsa tse tsg tsi tss tst tsu tsx tta tte ttg tti tts ttt ttu ttx tua tue tug tui tus tut tuu tux txe txi txs txt txu ua- uaa uae uag uai uas uat uau uea uee ueg uei ues uet uga uge ugg ugi ugs ugt ugu ugx uia uie uig uii uis uit uiu usa use usg usi uss ust usu usx uta ute uti uts utt utu utx uua uue uug uus uut uuu uxt uxu xaa xag xas xat xau xee xeg xes xet xeu xex xge xgi xia xie xii xis xit xiu xix xsa xsi xss xst xti xts xtx xue xui xus xxi xxx