kkk kkn kks kky kn- knk knn kno kok kon koo kos koy ksk ksn kso kss kyn kyo kys nkk nkn nko nks nky nnk nnn nno nns no- nok non noo nos noy nsk nsn nso nss nsy nyk nyn nyo nys nyy okk oko oks on- onk onn ono ons ony oo- ook oon ooo oos os- osk osn oso oss oyo oys sk- skk sko sks sky snk snn sno sns sny sok son soo sos soy ss- ssk ssn sso sss sy- syk syn sys ykk ykn ynk ynn yns yny yok yon yoo yos yoy ysk yso yss ysy yys yyy