a-a a-i aaa aai aak aan aax ai- aia aii aik ain aix aka aki akk akn an- ana ani ank ann anx ax- axa axi axk axn axx ia- iaa iai ian iia iii iin iix ika iki ikk ikx in- ina ini ink inn inx ixi ixn ka- kaa kai kak kan kax kia kii kik kin kix kki kkk kkn kn- kna kni knk knn knx n-i naa nai nak nan nax nia nii nik nin nix nka nki nkk nkn nna nni nnk nnn xaa xak xan xia xii xin xix xna xnk xxi xxx