a-a aaa aan aao aar aay an- ana ann ano anr any aoa aon aoo aor ar- ara arn aro arr ary ay- aya ayn ayo ayr naa nan nao nar nay nna nnn nno no- noa non noo nor noy nra nrn nro nrr nry nya nyn nyo nyy oaa oan oao oar on- ona onn ono onr ony oo- ooa oon ooo oor or- ora orn oro orr ory oya oyo ra- raa ran rao rar ray rna rnn rno rnr rny roa ron roo ror roy rra rrn rrr ry- rya ryn ryo ryr ryy yaa yan yao yar yay yna ynn yny yon yoo yor yoy yra yrn yro yyy