a-a a-i a-t aaa aai aan aas aat aax ai- aia aii ain ais ait aix an- ana ani ann ans ant anx as- asa asi asn ass ast asx at- ata ati atn ats att atx ax- axa axi axn axs axt axx ia- iaa iai ian ias iat iia iii iin iis iit iix in- ina ini inn ins int inx is- isa isi isn iss ist ita iti itn its itt itx ixi ixn n-i naa nai nan nas nat nax nia nii nin nis nit nix nna nni nnn nns nnt nsa nsi nsn nss nst nsx nta nti ntn nts ntt ntx nxt saa sai san sas sat sax sia sii sin sis sit six sna sni snn sns snt ss- ssa ssi ssn sss sst ssx sta sti stn sts stt stx sxi sxn sxs sxt t-x taa tai tan tas tat tax tia tii tin tis tit tix tna tni tnn tns tnt tnx tsa tsi tsn tss tst tsx tta tti ttn tts ttt ttx txi txn txs txt xaa xan xas xat xia xii xin xis xit xix xna xns xsa xsi xss xst xti xts xtx xxi xxx