-th hhh hho hhp hhr hht hhy hoh hoo hop hor hot hoy hph hpo hpp hpr hpt hpy hr- hrh hro hrp hrr hrt hth hto htp htr htt hty hy- hyh hyo hyp hyr hyt hyy ohh oho ohp ohr oht oo- ooh ooo oop oor oot op- oph opo opp opr opt opy or- orh oro orp orr ort ory ot- oth oto otp otr ott oyo p-p pho php phr pht phy poh poo pop por pot poy pph ppo ppp ppr ppt prh pro prp prr prt pry pt- pth pto ptp ptr ptt pty py- pyo pyr pyt rh- rhh rho rhp rhr rht roh roo rop ror rot roy rph rpo rpp rpr rpt rrh rrp rrr rrt rto rtp rtr rtt rty ry- ryo ryr ryy th- thh tho thp thr tht thy to- toh too top tor tot toy tph tpo tpp tpr tpt trh tro trp trr trt try tth tto ttp ttr ttt tty tyo typ tyr tyt yht yoo yop yor yot yoy ypo yro yrp yrt yth yto ytp ytr ytt yyt yyy