-er eee eef een eer ees eev ef- efe eff efi efr efs eie eif eii ein eir eis eiv en- ene enf eni enn enr ens env ere erf eri ern err ers erv es- ese esf esi esn esr ess esv eve evf evi evn evr evs evv fee fef fei fen fer fes fev ffe fff ffi ffn ffr ffs ffv fie fif fii fin fir fis fne fnf fni fnn fnr fns fnv fre frf fri frn frr frs fse fsf fsi fsn fsr fss fsv i-f i-v ie- iee ief iei ien ier ies iev ife iff ifi ifn ifr ifs iie iif iii iin iir iis in- ine inf ini inn inr ins inv ir- ire irf iri irn irr irs irv is- ise isf isi isn isr iss isv ive ivf ivi ivr ivs ivv n-i ne- nee nef nei nen ner nes nev nfe nff nfi nfn nfr nfs nfv nie nif nii nin nir nis niv nne nnf nni nnn nns nnv nre nrf nri nrn nrr nrs nrv nse nsf nsi nsn nsr nss nsv nve nvi nvn nvv re- ree ref rei ren rer res rev rfe rff rfi rfn rfr rfs rfv rie rif rii rin rir ris riv rni rnn rnr rns rnv rrf rri rrn rrr rrs rse rsf rsi rsn rsr rss rsv rve rvf rvi rvn rvr rvs rvv se- see sef sei sen ser ses sev sfe sff sfi sfn sfr sfs sfv sie sif sii sin sir sis siv sne snf sni snn snr sns snv sr- sre srf sri srn srr srs srv ss- sse ssf ssi ssn ssr sss ssv sve svf svi svn svr svs svv v-e vee vef vei ven ver ves vff vfi vfn vfr vfs vfv vi- vie vif vii vin vir vis viv vn- vnf vni vnr vns vnv vre vrf vri vrn vrr vrs vse vsf vsi vsn vsr vss vsv vvi vvr vvs vvv