-er eee eel eem een eep eer ele ell elm eln elp elr em- eme eml emm emn emp emr en- ene enl enm enn enp enr ep- epe epl epm epn epp epr ere erl erm ern erp err l-p lee lel lem len lep ler lle lll llm lln llp llr lme lml lmm lmn lmp lmr lne lnl lnm lnn lnp lnr lpe lpl lpm lpn lpp lpr lrm lrn lrp lrr m-r mee mel mem men mep mer mle mll mlm mln mlp mlr mme mml mmm mmn mmp mmr mne mnl mnm mnn mnp mnr mpe mpl mpm mpn mpp mpr mre mrl mrm mrn mrp mrr ne- nee nel nem nen nep ner nle nll nlm nln nlp nlr nme nml nmm nmn nmp nmr nne nnl nnm nnn nnp npe npl npm npn npp npr nre nrl nrm nrn nrp nrr p-p pee pel pem pen pep per ple pll plm pln plp plr pme pml pmm pmn pmp pmr pn- pne pnl pnm pnn pnp pnr ppe ppl ppm ppn ppp ppr pre prl prm prn prp prr re- ree rel rem ren rep rer rle rll rlm rln rlp rlr rme rml rmm rmn rmp rmr rnm rnn rnp rnr rpe rpl rpm rpn rpp rpr rrl rrm rrn rrp rrr