a-a a-i aaa aai aan aas aax ai- aia aii ain ais aix an- ana ani ann ans anx as- asa asi asn ass asx ax- axa axi axn axs axx ia- iaa iai ian ias iia iii iin iis iix in- ina ini inn ins inx is- isa isi isn iss ixi ixn n-i naa nai nan nas nax nia nii nin nis nix nna nni nnn nns nsa nsi nsn nss nsx saa sai san sas sax sia sii sin sis six sna sni snn sns ss- ssa ssi ssn sss ssx sxi sxn sxs xaa xan xas xia xii xin xis xix xna xns xsa xsi xss xxi xxx