-er eee eef eem een eer ef- efe eff efi efm efr eie eif eii eim ein eir em- eme emf emi emm emn emr en- ene enf eni enm enn enr ere erf eri erm ern err fee fef fei fem fen fer ffe fff ffi ffm ffn ffr fie fif fii fim fin fir fme fmf fmi fmm fmn fmr fne fnf fni fnm fnn fnr fre frf fri frm frn frr i-f ie- iee ief iei iem ien ier ife iff ifi ifm ifn ifr iie iif iii iim iin iir im- ime imf imi imm imn in- ine inf ini inm inn inr ir- ire irf iri irm irn irr m-f m-r mee mef mei mem men mer mfe mff mfi mfm mfn mfr mi- mie mif mii mim min mir mme mmf mmi mmm mmn mmr mne mnf mni mnm mnn mnr mre mrf mri mrm mrn mrr n-i ne- nee nef nei nem nen ner nfe nff nfi nfn nfr nie nif nii nim nin nir nme nmi nmm nmn nmr nne nnf nni nnm nnn nre nrf nri nrm nrn nrr re- ree ref rei rem ren rer rfe rff rfi rfm rfn rfr rie rif rii rim rin rir rme rmf rmi rmm rmn rmr rni rnm rnn rnr rrf rri rrm rrn rrr