-ol eee eel eem eeo eep eet ele ell elm elo elp elt em- eme eml emm emo emp emt eo- eoe eol eom eoo eop eot ep- epe epl epm epo epp ept ete etl etm eto etp ett l-p lee lel lem leo lep let lle lll llm llo llp llt lme lml lmm lmo lmp lmt loe lol lom loo lop lot lpe lpl lpm lpo lpp lpt lte ltl ltm lto ltp ltt m-o mee mel mem meo mep met mle mll mlm mlo mlp mlt mme mml mmm mmo mmp mmt moe mol mom moo mop mot mpe mpl mpm mpo mpp mpt mte mtl mtm mto mtp mtt oee oel oem oeo oep oet ole oll olm olo olp olt om- ome oml omm omo omp omt oo- ool oom ooo oop oot op- ope opl opm opo opp opt ot- ote otl otm oto otp ott p-p pee pel pem peo pep pet ple pll plm plo plp plt pme pml pmm pmo pmp pmt poe pol pom poo pop pot ppe ppl ppm ppo ppp ppt pt- pte ptl ptm pto ptp ptt te- tee tel tem teo tep tet tle tll tlm tlo tlp tlt tme tml tmm tmo tmp tmt to- toe tol tom too top tot tpe tpl tpm tpo tpp tpt tte ttl ttm tto ttp ttt