-er ddd dde ddf ddi ddl ddn ddr dds de- ded dee def dei del den der des dfd dfe dff dfi dfl dfn dfr dfs di- did die dif dii dil din dir dis dl- dld dle dlf dli dll dlr dls dnd dne dnf dni dnl dnn dnr dns drd dre dri drl drn drr drs dsd dse dsf dsi dsl dsn dsr dss ed- edd ede edf edi edl edn edr eds eed eee eef eel een eer ees ef- efd efe eff efi efl efr efs eid eie eif eii eil ein eir eis eld ele elf eli ell eln elr els en- end ene enf eni enl enn enr ens erd ere erf eri erl ern err ers es- esd ese esf esi esl esn esr ess fdd fde fdf fdi fdl fdn fdr fds fed fee fef fei fel fen fer fes ffd ffe fff ffi ffl ffn ffr ffs fid fie fif fii fil fin fir fis fld fle flf fli fll fln flr fls fnd fne fnf fni fnl fnn fnr fns frd fre frf fri frl frn frr frs fsd fse fsf fsi fsl fsn fsr fss i-d i-f idd ide idf idi idl idn idr ids ie- ied iee ief iei iel ien ier ies ifd ife iff ifi ifl ifn ifr ifs iid iie iif iii iil iin iir iis il- ild ile ilf ili ill iln ilr ils in- ind ine inf ini inl inn inr ins ir- ird ire irf iri irl irn irr irs is- isd ise isf isi isl isn isr iss ldd lde ldf ldi ldl ldn ldr lds led lee lef lei lel len ler les lfd lfe lff lfi lfl lfn lfr lfs lid lie lif lii lil lin lir lis lld lle llf lli lll lln llr lls lnd lne lni lnl lnn lnr lns lrd lrf lri lrn lrr lrs lsd lse lsf lsi lsl lsn lsr lss n-i ndd nde ndf ndi ndl ndn ndr nds ne- ned nee nef nei nel nen ner nes nfd nfe nff nfi nfl nfn nfr nfs nid nie nif nii nil nin nir nis nld nle nlf nli nll nln nlr nls nne nnf nni nnl nnn nns nrd nre nrf nri nrl nrn nrr nrs nsd nse nsf nsi nsl nsn nsr nss rdd rde rdf rdi rdl rdn rdr rds re- red ree ref rei rel ren rer res rfd rfe rff rfi rfl rfn rfr rfs rid rie rif rii ril rin rir ris rld rle rlf rli rll rln rlr rls rnd rni rnn rnr rns rrd rrf rri rrl rrn rrr rrs rsd rse rsf rsi rsl rsn rsr rss sdd sde sdf sdi sdl sdn sdr sds se- sed see sef sei sel sen ser ses sfd sfe sff sfi sfl sfn sfr sfs sid sie sif sii sil sin sir sis sld sle slf sli sll sln slr sls snd sne snf sni snl snn snr sns sr- srd sre srf sri srl srn srr srs ss- ssd sse ssf ssi ssl ssn ssr sss