kkk kkn kks kku kky kn- knk knn kno knu kok kon koo kos kou koy ksk ksn kso kss ksu kuk kun kus kuu kuy kyn kyo kys kyu nkk nkn nko nks nku nky nnk nnn nno nns nnu no- nok non noo nos nou noy nsk nsn nso nss nsu nsy nuk nun nuo nus nuu nuy nyk nyn nyo nys nyu nyy okk oko oks oku on- onk onn ono ons onu ony oo- ook oon ooo oos os- osk osn oso oss osu ou- ouk oun ouo ous oyo oys sk- skk sko sks sku sky snk snn sno sns snu sny sok son soo sos sou soy ss- ssk ssn sso sss ssu suk sun suo sus suu suy sy- syk syn sys syu ukk ukn uku un- unk unn uno uns unu uny uok uon uoo uos usk usn uso uss usu uun uus uuu uyo uys uyu ykk ykn ynk ynn yns ynu yny yok yon yoo yos you yoy ysk yso yss ysu ysy yuk yun yuo yus yuu yuy yys yyu yyy