iii iin iis iki ikk iks in- ini ink inn ins iny is- isi isk isn iss isy iys iyy kii kik kin kis kki kkk kkn kks kky kn- kni knk knn ksi ksk ksn kss kyn kys n-i nii nik nin nis nki nkk nkn nks nky nni nnk nnn nns nsi nsk nsn nss nsy nyk nyn nys nyy sii sik sin sis sk- ski skk sks sky sni snk snn sns sny ss- ssi ssk ssn sss sy- syi syk syn sys yii yin yis yki ykk ykn ynk ynn yns yny ysi ysk yss ysy yys yyy