a-a a-i aaa aai aan aao aas aax ai- aia aii ain aio ais aix an- ana ani ann ano ans anx aoa aoi aon aoo aos aox as- asa asi asn aso ass asx ax- axa axi axn axo axs axx ia- iaa iai ian iao ias iia iii iin iio iis iix in- ina ini inn ino ins inx io- ioa ioi ion ioo ios is- isa isi isn iso iss ixi ixn n-i naa nai nan nao nas nax nia nii nin nio nis nix nna nni nnn nno nns no- noa noi non noo nos nox nsa nsi nsn nso nss nsx o-i oaa oai oan oao oas oax oia oii oin oio ois on- ona oni onn ono ons onx oo- ooa ooi oon ooo oos oox os- osa osi osn oso oss osx ox- oxa oxi oxn oxo oxx saa sai san sao sas sax sia sii sin sio sis six sna sni snn sno sns soa soi son soo sos sox ss- ssa ssi ssn sso sss ssx sxi sxn sxs xaa xan xas xia xii xin xio xis xix xna xno xns xoa xoi xon xoo xos xox xsa xsi xss xxi xxo xxx