-er eee eef eem een eep eer ees ef- efe eff efi efm efp efr efs eie eif eii eim ein eip eir eis em- eme emf emi emm emn emp emr ems en- ene enf eni enm enn enp enr ens ep- epe epf epi epm epn epp epr eps ere erf eri erm ern erp err ers es- ese esf esi esm esn esp esr ess fee fef fei fem fen fep fer fes ffe fff ffi ffm ffn ffp ffr ffs fie fif fii fim fin fip fir fis fme fmf fmi fmm fmn fmp fmr fms fne fnf fni fnm fnn fnp fnr fns fpe fpi fpm fpn fpp fpr fps fre frf fri frm frn frp frr frs fse fsf fsi fsm fsn fsp fsr fss i-f ie- iee ief iei iem ien iep ier ies ife iff ifi ifm ifn ifp ifr ifs iie iif iii iim iin iip iir iis im- ime imf imi imm imn imp ims in- ine inf ini inm inn inp inr ins ipe ipf ipi ipm ipn ipp ipr ips ir- ire irf iri irm irn irp irr irs is- ise isf isi ism isn isp isr iss m-f m-r mee mef mei mem men mep mer mes mfe mff mfi mfm mfn mfp mfr mfs mi- mie mif mii mim min mip mir mis mme mmf mmi mmm mmn mmp mmr mms mne mnf mni mnm mnn mnp mnr mns mpe mpf mpi mpm mpn mpp mpr mps mre mrf mri mrm mrn mrp mrr mrs mse msf msi msm msn msp msr mss n-i ne- nee nef nei nem nen nep ner nes nfe nff nfi nfn nfp nfr nfs nie nif nii nim nin nip nir nis nme nmi nmm nmn nmp nmr nms nne nnf nni nnm nnn nnp nns npe npf npi npm npn npp npr nps nre nrf nri nrm nrn nrp nrr nrs nse nsf nsi nsm nsn nsp nsr nss p-p pee pef pei pem pen pep per pes pfe pff pfi pfm pfn pfp pfr pfs pie pif pii pim pin pip pir pis pme pmf pmi pmm pmn pmp pmr pms pn- pne pnf pni pnm pnn pnp pnr pns ppe ppf ppi ppm ppn ppp ppr pps pre prf pri prm prn prp prr prs ps- pse psf psi psm psn psp psr pss re- ree ref rei rem ren rep rer res rfe rff rfi rfm rfn rfp rfr rfs rie rif rii rim rin rip rir ris rme rmf rmi rmm rmn rmp rmr rms rni rnm rnn rnp rnr rns rpe rpf rpi rpm rpn rpp rpr rps rrf rri rrm rrn rrp rrr rrs rse rsf rsi rsm rsn rsp rsr rss se- see sef sei sem sen sep ser ses sfe sff sfi sfm sfn sfp sfr sfs sie sif sii sim sin sip sir sis sme smf smi smm smn smp smr sms sne snf sni snm snn snp snr sns spe spf spi spm spn spp spr sps sr- sre srf sri srm srn srp srr srs ss- sse ssf ssi ssm ssn ssp ssr sss