-er -ol eee eef eel eem eeo eep eer ees ef- efe eff efl efm efo efp efr efs ele elf ell elm elo elp elr els em- eme emf eml emm emo emp emr ems eo- eoe eof eol eom eoo eop eor eos ep- epe epf epl epm epo epp epr eps ere erf erl erm ero erp err ers es- ese esf esl esm eso esp esr ess fee fef fel fem feo fep fer fes ffe fff ffl ffm ffo ffp ffr ffs fle flf fll flm flo flp flr fls fme fmf fml fmm fmo fmp fmr fms foe fof fol fom foo fop for fos fpe fpl fpm fpo fpp fpr fps fre frf frl frm fro frp frr frs fse fsf fsl fsm fso fsp fsr fss l-p lee lef lel lem leo lep ler les lfe lff lfl lfm lfo lfp lfr lfs lle llf lll llm llo llp llr lls lme lmf lml lmm lmo lmp lmr lms loe lof lol lom loo lop lor los lpe lpf lpl lpm lpo lpp lpr lps lrf lrm lro lrp lrr lrs lse lsf lsl lsm lso lsp lsr lss m-f m-o m-r mee mef mel mem meo mep mer mes mfe mff mfl mfm mfo mfp mfr mfs mle mlf mll mlm mlo mlp mlr mls mme mmf mml mmm mmo mmp mmr mms moe mof mol mom moo mop mor mos mpe mpf mpl mpm mpo mpp mpr mps mre mrf mrl mrm mro mrp mrr mrs mse msf msl msm mso msp msr mss oee oef oel oem oeo oep oer oes of- ofe off ofl ofm ofo ofp ofr ofs ole olf oll olm olo olp ols om- ome omf oml omm omo omp omr oms oo- oof ool oom ooo oop oor oos op- ope opf opl opm opo opp opr ops or- ore orf orl orm oro orp orr ors os- ose osf osl osm oso osp osr oss p-p pee pef pel pem peo pep per pes pfe pff pfl pfm pfo pfp pfr pfs ple plf pll plm plo plp plr pls pme pmf pml pmm pmo pmp pmr pms poe pof pol pom poo pop por pos ppe ppf ppl ppm ppo ppp ppr pps pre prf prl prm pro prp prr prs ps- pse psf psl psm pso psp psr pss re- ree ref rel rem reo rep rer res rfe rff rfl rfm rfo rfp rfr rfs rle rlf rll rlm rlo rlp rlr rls rme rmf rml rmm rmo rmp rmr rms roe rof rol rom roo rop ror ros rpe rpf rpl rpm rpo rpp rpr rps rrf rrl rrm rrp rrr rrs rse rsf rsl rsm rso rsp rsr rss se- see sef sel sem seo sep ser ses sfe sff sfl sfm sfo sfp sfr sfs sle slf sll slm slo slp slr sls sme smf sml smm smo smp smr sms soe sof sol som soo sop sor sos spe spf spl spm spo spp spr sps sr- sre srf srl srm sro srp srr srs ss- sse ssf ssl ssm sso ssp ssr sss