-th a-a a-t aaa aah aao aap aat aax aay aha ahh aho ahp aht ahx ahy aoa aoh aoo aop aot aox ap- apa aph apo app apt apx apy at- ata ath ato atp att atx ax- axa axh axo axp axt axx ay- aya ayh ayo ayp ayt ayx haa hah hao hap hat hax hay hha hhh hho hhp hht hhy hoa hoh hoo hop hot hox hoy hpa hph hpo hpp hpt hpy hta hth hto htp htt htx hty hy- hya hyh hyo hyp hyt hyy oaa oah oao oap oat oax oha ohh oho ohp oht oo- ooa ooh ooo oop oot oox op- opa oph opo opp opt opx opy ot- ota oth oto otp ott ox- oxa oxo oxt oxx oxy oya oyo p-p paa pah pao pap pat pax pay pha pho php pht phx phy poa poh poo pop pot pox poy ppa pph ppo ppp ppt ppx pt- pta pth pto ptp ptt ptx pty pxt py- pya pyo pyt pyx t-x taa tah tao tap tat tax tay th- tha thh tho thp tht thx thy to- toa toh too top tot tox toy tpa tph tpo tpp tpt tpx tta tth tto ttp ttt ttx tty txt tya tyo typ tyt xaa xap xat xhp xht xoa xoo xop xot xox xpa xpo xpp xpt xtp xtx xty xxo xxp xxx xxy xyp xyy yaa yah yao yap yat yax yay yha yht yoo yop yot yox yoy ypa ypo yta yth yto ytp ytt yxa yxy yyt yyy