iii iio iip iit io- ioi ioo iop iot ipi ipo ipp ipt ipy iti ito itp itt ity iyo iyt iyy o-i oii oio oip oit oo- ooi ooo oop oot op- opi opo opp opt opy ot- oti oto otp ott oyi oyo p-p pii pio pip pit poi poo pop pot poy ppi ppo ppp ppt pt- pti pto ptp ptt pty py- pyo pyt tii tio tip tit tiy to- toi too top tot toy tpi tpo tpp tpt tti tto ttp ttt tty tyo typ tyt yii yio yip yit yoi yoo yop yot yoy ypo yto ytp ytt yyt yyy