-ol eee eel eeo eep eet ele ell elo elp elt eo- eoe eol eoo eop eot ep- epe epl epo epp ept ete etl eto etp ett l-p lee lel leo lep let lle lll llo llp llt loe lol loo lop lot lpe lpl lpo lpp lpt lte ltl lto ltp ltt oee oel oeo oep oet ole oll olo olp olt oo- ool ooo oop oot op- ope opl opo opp opt ot- ote otl oto otp ott p-p pee pel peo pep pet ple pll plo plp plt poe pol poo pop pot ppe ppl ppo ppp ppt pt- pte ptl pto ptp ptt te- tee tel teo tep tet tle tll tlo tlp tlt to- toe tol too top tot tpe tpl tpo tpp tpt tte ttl tto ttp ttt