-th a-a a-t aaa aah aan aao aat aha ahh ahn aho aht an- ana anh ann ano ant aoa aoh aon aoo aot at- ata ath atn ato att haa hah han hao hat hha hhh hhn hho hht hna hnh hnn hno hnt hoa hoh hon hoo hot hta hth htn hto htt naa nah nan nao nat nha nhh nhn nht nna nnh nnn nno nnt no- noa noh non noo not nta nth ntn nto ntt oaa oah oan oao oat oha ohh ohn oho oht on- ona onh onn ono ont oo- ooa ooh oon ooo oot ot- ota oth otn oto ott taa tah tan tao tat th- tha thh thn tho tht tna tnh tnn tno tnt to- toa toh ton too tot tta tth ttn tto ttt