-er ddd dde ddf ddi ddn ddr dds de- ded dee def dei den der des dfd dfe dff dfi dfn dfr dfs di- did die dif dii din dir dis dnd dne dnf dni dnn dnr dns drd dre dri drn drr drs dsd dse dsf dsi dsn dsr dss ed- edd ede edf edi edn edr eds eed eee eef een eer ees ef- efd efe eff efi efr efs eid eie eif eii ein eir eis en- end ene enf eni enn enr ens erd ere erf eri ern err ers es- esd ese esf esi esn esr ess fdd fde fdf fdi fdn fdr fds fed fee fef fei fen fer fes ffd ffe fff ffi ffn ffr ffs fid fie fif fii fin fir fis fnd fne fnf fni fnn fnr fns frd fre frf fri frn frr frs fsd fse fsf fsi fsn fsr fss i-d i-f idd ide idf idi idn idr ids ie- ied iee ief iei ien ier ies ifd ife iff ifi ifn ifr ifs iid iie iif iii iin iir iis in- ind ine inf ini inn inr ins ir- ird ire irf iri irn irr irs is- isd ise isf isi isn isr iss n-i ndd nde ndf ndi ndn ndr nds ne- ned nee nef nei nen ner nes nfd nfe nff nfi nfn nfr nfs nid nie nif nii nin nir nis nne nnf nni nnn nns nrd nre nrf nri nrn nrr nrs nsd nse nsf nsi nsn nsr nss rdd rde rdf rdi rdn rdr rds re- red ree ref rei ren rer res rfd rfe rff rfi rfn rfr rfs rid rie rif rii rin rir ris rnd rni rnn rnr rns rrd rrf rri rrn rrr rrs rsd rse rsf rsi rsn rsr rss sdd sde sdf sdi sdn sdr sds se- sed see sef sei sen ser ses sfd sfe sff sfi sfn sfr sfs sid sie sif sii sin sir sis snd sne snf sni snn snr sns sr- srd sre srf sri srn srr srs ss- ssd sse ssf ssi ssn ssr sss