-ol eee eel eeo eep ees eev ele ell elo elp els elv eo- eoe eol eoo eop eos ep- epe epl epo epp eps es- ese esl eso esp ess esv eve evl evo evp evs evv l-p lee lel leo lep les lev lle lll llo llp lls llv loe lol loo lop los lov lpe lpl lpo lpp lps lpv lse lsl lso lsp lss lsv lve lvl lvp lvs lvv oee oel oeo oep oes ole oll olo olp ols oo- ool ooo oop oos oov op- ope opl opo opp ops opv os- ose osl oso osp oss osv ov- ove ovl ovo ovp ovs ovv p-p pee pel peo pep pes pev ple pll plo plp pls plv poe pol poo pop pos pov ppe ppl ppo ppp pps ppv ps- pse psl pso psp pss psv pve pvl pvo pvp pvs pvv se- see sel seo sep ses sev sle sll slo slp sls slv soe sol soo sop sos sov spe spl spo spp sps spv ss- sse ssl sso ssp sss ssv sve svl svo svp svs svv v-e vee vel veo vep ves vl- vle vll vlo vlp vls vlv voe vol voo vop vos vov vpe vpl vpo vpp vps vse vsl vso vsp vss vsv vvo vvs vvv