a-a aaa aah aak aan aao aha ahh ahk ahn aho aka akh akk akn ako an- ana anh ank ann ano aoa aoh aok aon aoo haa hah hak han hao hha hhh hhk hhn hho hka hkh hkk hkn hko hna hnh hnk hnn hno hoa hoh hok hon hoo ka- kaa kah kak kan kao kha khh khk khn kho kkh kkk kkn kn- kna knk knn kno koa koh kok kon koo naa nah nak nan nao nha nhh nhk nhn nka nkk nkn nko nna nnh nnk nnn nno no- noa noh nok non noo oaa oah oak oan oao oha ohh ohn oho oka okk oko on- ona onh onk onn ono oo- ooa ooh ook oon ooo