-th h-i hhh hhi hho hhp hhr hht hih hii hio hip hir hit hoh hoi hoo hop hor hot hph hpi hpo hpp hpr hpt hr- hrh hri hro hrp hrr hrt hth hti hto htp htr htt ihh ihi iho ihp ihr iht iih iii iio iip iir iit io- ioh ioi ioo iop ior iot ipi ipo ipp ipr ipt ir- iri iro irp irr irt ith iti ito itp itt o-i ohh ohi oho ohp ohr oht oii oio oip oir oit oo- ooh ooi ooo oop oor oot op- oph opi opo opp opr opt or- orh ori oro orp orr ort ot- oth oti oto otp otr ott p-p phi pho php phr pht pih pii pio pip pir pit poh poi poo pop por pot pph ppi ppo ppp ppr ppt prh pri pro prp prr prt pt- pth pti pto ptp ptr ptt rh- rhh rhi rho rhp rhr rht rih rii rio rip rir rit roh roi roo rop ror rot rph rpi rpo rpp rpr rpt rrh rri rrp rrr rrt rti rto rtp rtr rtt th- thh thi tho thp thr tht tih tii tio tip tir tit to- toh toi too top tor tot tph tpi tpo tpp tpr tpt trh tri tro trp trr trt tth tti tto ttp ttr ttt