a-a a-i a-t aaa aag aai aan aar aas aat aax ag- aga agg agi agn agr ags agt agx ai- aia aig aii ain air ais ait aix an- ana ang ani ann anr ans ant anx ar- ara arg ari arn arr ars art arx as- asa asg asi asn asr ass ast asx at- ata atg ati atn atr ats att atx ax- axa axi axn axr axs axt axx gaa gag gai gan gar gas gat gga ggg ggi ggn ggr ggs ggt gia gig gii gin gir gis git gna gni gnn gnr gns gnt gra grg gri grn grr grs grt grx gsa gsg gsi gsn gsr gss gst gsx gta gtg gti gtn gtr gts gtt gtx gxa gxs gxt ia- iaa iag iai ian iar ias iat iga igg igi ign igr igs igt iia iii iin iir iis iit iix in- ina ing ini inn inr ins int inx ir- ira irg iri irn irr irs irt irx is- isa isg isi isn isr iss ist ita itg iti itn its itt itx ixi ixn n-i naa nag nai nan nar nas nat nax nga ngg ngi ngn ngs ngt nia nig nii nin nir nis nit nix nna nng nni nnn nns nnt nra nrg nri nrn nrr nrs nrt nrx nsa nsg nsi nsn nsr nss nst nsx nta ntg nti ntn ntr nts ntt ntx nxt ra- raa rag rai ran rar ras rat rax rga rgg rgi rgn rgr rgs rgt rgx ria rig rii rin rir ris rit rix rna rng rni rnn rnr rns rnt rra rrg rri rrn rrr rrs rrt rsa rsg rsi rsn rsr rss rst rsx rta rtg rti rtn rtr rts rtt rtx rxr rxs saa sag sai san sar sas sat sax sga sgg sgi sgn sgr sgs sgt sgx sia sig sii sin sir sis sit six sna sng sni snn snr sns snt sr- sra srg sri srn srr srs srt srx ss- ssa ssg ssi ssn ssr sss sst ssx sta stg sti stn str sts stt stx sxi sxn sxs sxt t-x taa tag tai tan tar tas tat tax tga tgg tgi tgn tgr tgs tgt tia tig tii tin tir tis tit tix tna tng tni tnn tnr tns tnt tnx tra trg tri trn trr trs trt trx tsa tsg tsi tsn tsr tss tst tsx tta ttg tti ttn ttr tts ttt ttx txi txn txs txt xaa xag xan xar xas xat xgi xia xii xin xis xit xix xna xns xrt xrx xsa xsi xss xst xti xtr xts xtx xxi xxx