-ol -th hhh hhl hho hhp hht hlh hll hlo hlp hlt hoh hol hoo hop hot hph hpl hpo hpp hpt hth htl hto htp htt l-p lhh lho lhp lht lll llo llp llt loh lol loo lop lot lph lpl lpo lpp lpt lth ltl lto ltp ltt ohh ohl oho ohp oht oll olo olp olt oo- ooh ool ooo oop oot op- oph opl opo opp opt ot- oth otl oto otp ott p-p phl pho php pht plh pll plo plp plt poh pol poo pop pot pph ppl ppo ppp ppt pt- pth ptl pto ptp ptt th- thh thl tho thp tht tlh tll tlo tlp tlt to- toh tol too top tot tph tpl tpo tpp tpt tth ttl tto ttp ttt