eee eel eem eep ees eet eev ele ell elm elp els elt elv em- eme eml emm emp ems emt emv ep- epe epl epm epp eps ept es- ese esl esm esp ess est esv ete etl etm etp ets ett etv eve evl evm evp evs evt evv l-p lee lel lem lep les let lev lle lll llm llp lls llt llv lme lml lmm lmp lms lmt lmv lpe lpl lpm lpp lps lpt lpv lse lsl lsm lsp lss lst lsv lte ltl ltm ltp lts ltt ltv lve lvl lvm lvp lvs lvt lvv m-v mee mel mem mep mes met mev mle mll mlm mlp mls mlt mlv mme mml mmm mmp mms mmt mmv mpe mpl mpm mpp mps mpt mpv mse msl msm msp mss mst msv mte mtl mtm mtp mts mtt mtv mve mvl mvm mvp mvs mvt mvv p-p pee pel pem pep pes pet pev ple pll plm plp pls plt plv pme pml pmm pmp pms pmt pmv ppe ppl ppm ppp pps ppt ppv ps- pse psl psm psp pss pst psv pt- pte ptl ptm ptp pts ptt ptv pve pvl pvm pvp pvs pvt pvv se- see sel sem sep ses set sev sle sll slm slp sls slt slv sme sml smm smp sms smt smv spe spl spm spp sps spt spv ss- sse ssl ssm ssp sss sst ssv ste stl stm stp sts stt stv sve svl svm svp svs svt svv te- tee tel tem tep tes tet tev tle tll tlm tlp tls tlt tlv tme tml tmm tmp tms tmt tmv tpe tpl tpm tpp tps tpt tpv tse tsl tsm tsp tss tst tsv tte ttl ttm ttp tts ttt ttv tve tvl tvm tvp tvs tvt v-e vee vel vem vep ves vet vl- vle vll vlm vlp vls vlt vlv vm- vmm vmt vpe vpl vpm vpp vps vpt vse vsl vsm vsp vss vst vsv vte vtl vtm vts vtt vtv vvm vvs vvt vvv