a-a aaa aan aao aap aay an- ana ann ano anp any aoa aon aoo aop ap- apa apn apo app apy ay- aya ayn ayo ayp naa nan nao nap nay nna nnn nno nnp no- noa non noo nop noy npa npn npo npp nya nyn nyo nyp nyy oaa oan oao oap on- ona onn ono onp ony oo- ooa oon ooo oop op- opa opn opo opp opy oya oyo p-p paa pan pao pap pay pn- pna pnn pno pnp pny poa pon poo pop poy ppa ppn ppo ppp py- pya pyn pyo yaa yan yao yap yay yna ynn ynp yny yon yoo yop yoy ypa ypo yyy