a-a aaa aan aao aap aar aay an- ana ann ano anp anr any aoa aon aoo aop aor ap- apa apn apo app apr apy ar- ara arn aro arp arr ary ay- aya ayn ayo ayp ayr naa nan nao nap nar nay nna nnn nno nnp no- noa non noo nop nor noy npa npn npo npp npr nra nrn nro nrp nrr nry nya nyn nyo nyp nyy oaa oan oao oap oar on- ona onn ono onp onr ony oo- ooa oon ooo oop oor op- opa opn opo opp opr opy or- ora orn oro orp orr ory oya oyo p-p paa pan pao pap par pay pn- pna pnn pno pnp pnr pny poa pon poo pop por poy ppa ppn ppo ppp ppr pra prn pro prp prr pry py- pya pyn pyo pyr ra- raa ran rao rap rar ray rna rnn rno rnp rnr rny roa ron roo rop ror roy rpa rpn rpo rpp rpr rra rrn rrp rrr ry- rya ryn ryo ryr ryy yaa yan yao yap yar yay yna ynn ynp yny yon yoo yop yor yoy ypa ypo yra yrn yro yrp yyy