-er eee eef eem een eer ees ef- efe eff efi efm efr efs eie eif eii eim ein eir eis em- eme emf emi emm emn emr ems en- ene enf eni enm enn enr ens ere erf eri erm ern err ers es- ese esf esi esm esn esr ess fee fef fei fem fen fer fes ffe fff ffi ffm ffn ffr ffs fie fif fii fim fin fir fis fme fmf fmi fmm fmn fmr fms fne fnf fni fnm fnn fnr fns fre frf fri frm frn frr frs fse fsf fsi fsm fsn fsr fss i-f ie- iee ief iei iem ien ier ies ife iff ifi ifm ifn ifr ifs iie iif iii iim iin iir iis im- ime imf imi imm imn ims in- ine inf ini inm inn inr ins ir- ire irf iri irm irn irr irs is- ise isf isi ism isn isr iss m-f m-r mee mef mei mem men mer mes mfe mff mfi mfm mfn mfr mfs mi- mie mif mii mim min mir mis mme mmf mmi mmm mmn mmr mms mne mnf mni mnm mnn mnr mns mre mrf mri mrm mrn mrr mrs mse msf msi msm msn msr mss n-i ne- nee nef nei nem nen ner nes nfe nff nfi nfn nfr nfs nie nif nii nim nin nir nis nme nmi nmm nmn nmr nms nne nnf nni nnm nnn nns nre nrf nri nrm nrn nrr nrs nse nsf nsi nsm nsn nsr nss re- ree ref rei rem ren rer res rfe rff rfi rfm rfn rfr rfs rie rif rii rim rin rir ris rme rmf rmi rmm rmn rmr rms rni rnm rnn rnr rns rrf rri rrm rrn rrr rrs rse rsf rsi rsm rsn rsr rss se- see sef sei sem sen ser ses sfe sff sfi sfm sfn sfr sfs sie sif sii sim sin sir sis sme smf smi smm smn smr sms sne snf sni snm snn snr sns sr- sre srf sri srm srn srr srs ss- sse ssf ssi ssm ssn ssr sss