a-a a-i a-t aaa aae aag aai aao aas aat aax aea aee aeg aei aeo aes aet aex ag- aga age agg agi ago ags agt agx ai- aia aie aig aii aio ais ait aix aoa aoe aog aoi aoo aos aot aox as- asa ase asg asi aso ass ast asx at- ata ate atg ati ato ats att atx ax- axa axe axi axo axs axt axx eaa eae eag eai eao eas eat eax eea eee eeg eeo ees eet eex ega ege egg egi ego egs egt egx eia eie eig eii eio eis eit eix eo- eoa eoe eog eoi eoo eos eot es- esa ese esg esi eso ess est esx eta ete etg eti eto ets ett etx ex- exa exe exi exo exs ext exx gaa gae gag gai gao gas gat ge- gea gee geg gei geo ges get gex gga ggg ggi ggo ggs ggt gia gie gig gii gio gis git goa goe gog goi goo gos got gox gsa gse gsg gsi gso gss gst gsx gta gte gtg gti gto gts gtt gtx gxa gxs gxt ia- iaa iae iag iai iao ias iat ie- iea iee ieg iei ies iet iex iga ige igg igi igo igs igt iia iie iii iio iis iit iix io- ioa ioe iog ioi ioo ios iot is- isa ise isg isi iso iss ist ita ite itg iti ito its itt itx ixe ixi o-i oaa oae oag oai oao oas oat oax oea oee oeg oei oeo oes oet oex oga oge ogg ogi ogo ogs ogt ogx oia oie oii oio ois oit oo- ooa oog ooi ooo oos oot oox os- osa ose osg osi oso oss ost osx ot- ota ote otg oti oto ots ott ox- oxa oxi oxo oxt oxx saa sae sag sai sao sas sat sax se- sea see seg sei seo ses set sex sga sge sgg sgi sgo sgs sgt sgx sia sie sig sii sio sis sit six soa soe sog soi soo sos sot sox ss- ssa sse ssg ssi sso sss sst ssx sta ste stg sti sto sts stt stx sxi sxs sxt t-x taa tae tag tai tao tas tat tax te- tea tee teg tei teo tes tet tex tga tge tgg tgi tgo tgs tgt tia tie tig tii tio tis tit tix to- toa toe tog toi too tos tot tox tsa tse tsg tsi tso tss tst tsx tta tte ttg tti tto tts ttt ttx txe txi txs txt xaa xag xas xat xee xeg xes xet xex xge xgi xia xie xii xio xis xit xix xoa xog xoi xoo xos xot xox xsa xsi xss xst xti xts xtx xxi xxo xxx