a-a aaa aak aan aao aar aay aka akk akn ako akr an- ana ank ann ano anr any aoa aok aon aoo aor ar- ara ark arn aro arr ary ay- aya ayk ayn ayo ayr ka- kaa kak kan kao kar kay kkk kkn kkr kky kn- kna knk knn kno knr koa kok kon koo kor koy kra krk krn kro krr kry kya kyn kyo kyr naa nak nan nao nar nay nka nkk nkn nko nkr nky nna nnk nnn nno no- noa nok non noo nor noy nra nrk nrn nro nrr nry nya nyk nyn nyo nyy oaa oak oan oao oar oka okk oko okr on- ona onk onn ono onr ony oo- ooa ook oon ooo oor or- ora ork orn oro orr ory oya oyo ra- raa rak ran rao rar ray rkk rko rky rna rnn rno rnr rny roa rok ron roo ror roy rra rrk rrn rrr ry- rya ryk ryn ryo ryr ryy yaa yak yan yao yar yay yka ykk ykn yna ynk ynn yny yok yon yoo yor yoy yra yrn yro yyy