-ol -th h-i hhh hhi hhl hho hhp hht hih hii hil hio hip hit hix hlh hli hll hlo hlp hlt hlx hoh hoi hol hoo hop hot hox hph hpi hpl hpo hpp hpt hth hti htl hto htp htt htx hxl ihh ihi ihl iho ihp iht iih iii iil iio iip iit iix il- ilh ili ill ilo ilp ilt ilx io- ioh ioi iol ioo iop iot ipi ipl ipo ipp ipt ipx ith iti itl ito itp itt itx ixi ixl l-p lhh lhi lho lhp lht lhx lih lii lil lio lip lit lix lli lll llo llp llt loh loi lol loo lop lot lox lph lpi lpl lpo lpp lpt lpx lth lti ltl lto ltp ltt ltx lxi lxo lxx o-i ohh ohi ohl oho ohp oht oii oil oio oip oit oli oll olo olp olt oo- ooh ooi ool ooo oop oot oox op- oph opi opl opo opp opt opx ot- oth oti otl oto otp ott ox- oxi oxo oxt oxx p-p phi phl pho php pht phx pih pii pil pio pip pit pix plh pli pll plo plp plt plx poh poi pol poo pop pot pox pph ppi ppl ppo ppp ppt ppx pt- pth pti ptl pto ptp ptt ptx pxl pxt t-x th- thh thi thl tho thp tht thx tih tii til tio tip tit tix tlh tli tll tlo tlp tlt tlx to- toh toi tol too top tot tox tph tpi tpl tpo tpp tpt tpx tth tti ttl tto ttp ttt ttx txi txl txt xhp xht xii xio xit xix xli xlt xoi xoo xop xot xox xpl xpo xpp xpt xti xtp xtx xxi xxl xxo xxp xxx