-er eee eem een eep eer ees eie eii eim ein eip eir eis em- eme emi emm emn emp emr ems en- ene eni enm enn enp enr ens ep- epe epi epm epn epp epr eps ere eri erm ern erp err ers es- ese esi esm esn esp esr ess ie- iee iei iem ien iep ier ies iie iii iim iin iip iir iis im- ime imi imm imn imp ims in- ine ini inm inn inp inr ins ipe ipi ipm ipn ipp ipr ips ir- ire iri irm irn irp irr irs is- ise isi ism isn isp isr iss m-r mee mei mem men mep mer mes mi- mie mii mim min mip mir mis mme mmi mmm mmn mmp mmr mms mne mni mnm mnn mnp mnr mns mpe mpi mpm mpn mpp mpr mps mre mri mrm mrn mrp mrr mrs mse msi msm msn msp msr mss n-i ne- nee nei nem nen nep ner nes nie nii nim nin nip nir nis nme nmi nmm nmn nmp nmr nms nne nni nnm nnn nnp nns npe npi npm npn npp npr nps nre nri nrm nrn nrp nrr nrs nse nsi nsm nsn nsp nsr nss p-p pee pei pem pen pep per pes pie pii pim pin pip pir pis pme pmi pmm pmn pmp pmr pms pn- pne pni pnm pnn pnp pnr pns ppe ppi ppm ppn ppp ppr pps pre pri prm prn prp prr prs ps- pse psi psm psn psp psr pss re- ree rei rem ren rep rer res rie rii rim rin rip rir ris rme rmi rmm rmn rmp rmr rms rni rnm rnn rnp rnr rns rpe rpi rpm rpn rpp rpr rps rri rrm rrn rrp rrr rrs rse rsi rsm rsn rsp rsr rss se- see sei sem sen sep ser ses sie sii sim sin sip sir sis sme smi smm smn smp smr sms sne sni snm snn snp snr sns spe spi spm spn spp spr sps sr- sre sri srm srn srp srr srs ss- sse ssi ssm ssn ssp ssr sss