kkk kkn kkp kky kn- knk knn kno knp kok kon koo kop koy kpk kpn kpo kpp kyn kyo kyp nkk nkn nko nkp nky nnk nnn nno nnp no- nok non noo nop noy npn npo npp nyk nyn nyo nyp nyy okk oko okp on- onk onn ono onp ony oo- ook oon ooo oop op- opk opn opo opp opy oyo p-p pkn pko pkp pky pn- pnk pnn pno pnp pny pok pon poo pop poy ppk ppn ppo ppp py- pyk pyn pyo ykk ykn ynk ynn ynp yny yok yon yoo yop yoy ypo yyy