-er ddd dde ddf ddg ddi ddn ddr dds de- ded dee def deg dei den der des dfd dfe dff dfg dfi dfn dfr dfs dgd dge dgf dgg dgi dgn dgr dgs di- did die dif dig dii din dir dis dnd dne dnf dng dni dnn dnr dns drd dre drg dri drn drr drs dsd dse dsf dsg dsi dsn dsr dss ed- edd ede edf edg edi edn edr eds eed eee eef eeg een eer ees ef- efd efe eff efg efi efr efs egd ege egf egg egi egn egr egs eid eie eif eig eii ein eir eis en- end ene enf eng eni enn enr ens erd ere erf erg eri ern err ers es- esd ese esf esg esi esn esr ess fdd fde fdf fdg fdi fdn fdr fds fed fee fef feg fei fen fer fes ffd ffe fff ffg ffi ffn ffr ffs fgd fge fgf fgg fgi fgn fgr fgs fid fie fif fig fii fin fir fis fnd fne fnf fng fni fnn fnr fns frd fre frf frg fri frn frr frs fsd fse fsf fsg fsi fsn fsr fss g-d gdd gde gdf gdi gdn gdr gds ge- ged gee gef geg gei gen ger ges gfd gfe gff gfi gfr gfs ggd ggg ggi ggn ggr ggs gid gie gif gig gii gin gir gis gnd gne gnf gni gnn gnr gns grd gre grf grg gri grn grr grs gsd gse gsf gsg gsi gsn gsr gss i-d i-f idd ide idf idg idi idn idr ids ie- ied iee ief ieg iei ien ier ies ifd ife iff ifg ifi ifn ifr ifs igd ige igf igg igi ign igr igs iid iie iif iii iin iir iis in- ind ine inf ing ini inn inr ins ir- ird ire irf irg iri irn irr irs is- isd ise isf isg isi isn isr iss n-i ndd nde ndf ndg ndi ndn ndr nds ne- ned nee nef neg nei nen ner nes nfd nfe nff nfi nfn nfr nfs ngd nge ngf ngg ngi ngn ngs nid nie nif nig nii nin nir nis nne nnf nng nni nnn nns nrd nre nrf nrg nri nrn nrr nrs nsd nse nsf nsg nsi nsn nsr nss rdd rde rdf rdg rdi rdn rdr rds re- red ree ref reg rei ren rer res rfd rfe rff rfg rfi rfn rfr rfs rgd rge rgf rgg rgi rgn rgr rgs rid rie rif rig rii rin rir ris rnd rng rni rnn rnr rns rrd rrf rrg rri rrn rrr rrs rsd rse rsf rsg rsi rsn rsr rss sdd sde sdf sdg sdi sdn sdr sds se- sed see sef seg sei sen ser ses sfd sfe sff sfg sfi sfn sfr sfs sgd sge sgf sgg sgi sgn sgr sgs sid sie sif sig sii sin sir sis snd sne snf sng sni snn snr sns sr- srd sre srf srg sri srn srr srs ss- ssd sse ssf ssg ssi ssn ssr sss