-ol eee eel eeo eep ees eet ele ell elo elp els elt eo- eoe eol eoo eop eos eot ep- epe epl epo epp eps ept es- ese esl eso esp ess est ete etl eto etp ets ett l-p lee lel leo lep les let lle lll llo llp lls llt loe lol loo lop los lot lpe lpl lpo lpp lps lpt lse lsl lso lsp lss lst lte ltl lto ltp lts ltt oee oel oeo oep oes oet ole oll olo olp ols olt oo- ool ooo oop oos oot op- ope opl opo opp ops opt os- ose osl oso osp oss ost ot- ote otl oto otp ots ott p-p pee pel peo pep pes pet ple pll plo plp pls plt poe pol poo pop pos pot ppe ppl ppo ppp pps ppt ps- pse psl pso psp pss pst pt- pte ptl pto ptp pts ptt se- see sel seo sep ses set sle sll slo slp sls slt soe sol soo sop sos sot spe spl spo spp sps spt ss- sse ssl sso ssp sss sst ste stl sto stp sts stt te- tee tel teo tep tes tet tle tll tlo tlp tls tlt to- toe tol too top tos tot tpe tpl tpo tpp tps tpt tse tsl tso tsp tss tst tte ttl tto ttp tts ttt