-er eee eel eem een eep eer eie eii eil eim ein eip eir ele eli ell elm eln elp elr em- eme emi eml emm emn emp emr en- ene eni enl enm enn enp enr ep- epe epi epl epm epn epp epr ere eri erl erm ern erp err ie- iee iei iel iem ien iep ier iie iii iil iim iin iip iir il- ile ili ill ilm iln ilp ilr im- ime imi iml imm imn imp in- ine ini inl inm inn inp inr ipe ipi ipl ipm ipn ipp ipr ir- ire iri irl irm irn irp irr l-p lee lei lel lem len lep ler lie lii lil lim lin lip lir lle lli lll llm lln llp llr lme lmi lml lmm lmn lmp lmr lne lni lnl lnm lnn lnp lnr lpe lpi lpl lpm lpn lpp lpr lri lrm lrn lrp lrr m-r mee mei mel mem men mep mer mi- mie mii mil mim min mip mir mle mli mll mlm mln mlp mlr mme mmi mml mmm mmn mmp mmr mne mni mnl mnm mnn mnp mnr mpe mpi mpl mpm mpn mpp mpr mre mri mrl mrm mrn mrp mrr n-i ne- nee nei nel nem nen nep ner nie nii nil nim nin nip nir nle nli nll nlm nln nlp nlr nme nmi nml nmm nmn nmp nmr nne nni nnl nnm nnn nnp npe npi npl npm npn npp npr nre nri nrl nrm nrn nrp nrr p-p pee pei pel pem pen pep per pie pii pil pim pin pip pir ple pli pll plm pln plp plr pme pmi pml pmm pmn pmp pmr pn- pne pni pnl pnm pnn pnp pnr ppe ppi ppl ppm ppn ppp ppr pre pri prl prm prn prp prr re- ree rei rel rem ren rep rer rie rii ril rim rin rip rir rle rli rll rlm rln rlp rlr rme rmi rml rmm rmn rmp rmr rni rnm rnn rnp rnr rpe rpi rpl rpm rpn rpp rpr rri rrl rrm rrn rrp rrr