-er eee eef een eep eer ees eet ef- efe eff efi efp efr efs eft eie eif eii ein eip eir eis eit en- ene enf eni enn enp enr ens ent ep- epe epf epi epn epp epr eps ept ere erf eri ern erp err ers ert es- ese esf esi esn esp esr ess est ete etf eti etn etp etr ets ett fee fef fei fen fep fer fes fet ffe fff ffi ffn ffp ffr ffs fft fie fif fii fin fip fir fis fit fne fnf fni fnn fnp fnr fns fnt fpe fpi fpn fpp fpr fps fpt fre frf fri frn frp frr frs frt fse fsf fsi fsn fsp fsr fss fst fte ftf fti ftn ftp ftr fts ftt i-f ie- iee ief iei ien iep ier ies iet ife iff ifi ifn ifp ifr ifs ift iie iif iii iin iip iir iis iit in- ine inf ini inn inp inr ins int ipe ipf ipi ipn ipp ipr ips ipt ir- ire irf iri irn irp irr irs irt is- ise isf isi isn isp isr iss ist ite itf iti itn itp its itt n-i ne- nee nef nei nen nep ner nes net nfe nff nfi nfn nfp nfr nfs nft nie nif nii nin nip nir nis nit nne nnf nni nnn nnp nns nnt npe npf npi npn npp npr nps npt nre nrf nri nrn nrp nrr nrs nrt nse nsf nsi nsn nsp nsr nss nst nte ntf nti ntn ntp ntr nts ntt p-p pee pef pei pen pep per pes pet pfe pff pfi pfn pfp pfr pfs pft pie pif pii pin pip pir pis pit pn- pne pnf pni pnn pnp pnr pns pnt ppe ppf ppi ppn ppp ppr pps ppt pre prf pri prn prp prr prs prt ps- pse psf psi psn psp psr pss pst pt- pte ptf pti ptn ptp ptr pts ptt re- ree ref rei ren rep rer res ret rfe rff rfi rfn rfp rfr rfs rft rie rif rii rin rip rir ris rit rni rnn rnp rnr rns rnt rpe rpf rpi rpn rpp rpr rps rpt rrf rri rrn rrp rrr rrs rrt rse rsf rsi rsn rsp rsr rss rst rte rtf rti rtn rtp rtr rts rtt se- see sef sei sen sep ser ses set sfe sff sfi sfn sfp sfr sfs sft sie sif sii sin sip sir sis sit sne snf sni snn snp snr sns snt spe spf spi spn spp spr sps spt sr- sre srf sri srn srp srr srs srt ss- sse ssf ssi ssn ssp ssr sss sst ste stf sti stn stp str sts stt te- tee tef tei ten tep ter tes tet tfe tff tfi tfn tfp tfr tfs tft tie tif tii tin tip tir tis tit tne tnf tni tnn tnp tnr tns tnt tpe tpf tpi tpn tpp tpr tps tpt tre trf tri trn trp trr trs trt tse tsf tsi tsn tsp tsr tss tst tte ttf tti ttn ttp ttr tts ttt