-er ddd dde ddl ddn ddr dds de- ded dee del den der des dl- dld dle dll dlr dls dnd dne dnl dnn dnr dns drd dre drl drn drr drs dsd dse dsl dsn dsr dss ed- edd ede edl edn edr eds eed eee eel een eer ees eld ele ell eln elr els en- end ene enl enn enr ens erd ere erl ern err ers es- esd ese esl esn esr ess ldd lde ldl ldn ldr lds led lee lel len ler les lld lle lll lln llr lls lnd lne lnl lnn lnr lns lrd lrn lrr lrs lsd lse lsl lsn lsr lss ndd nde ndl ndn ndr nds ne- ned nee nel nen ner nes nld nle nll nln nlr nls nne nnl nnn nns nrd nre nrl nrn nrr nrs nsd nse nsl nsn nsr nss rdd rde rdl rdn rdr rds re- red ree rel ren rer res rld rle rll rln rlr rls rnd rnn rnr rns rrd rrl rrn rrr rrs rsd rse rsl rsn rsr rss sdd sde sdl sdn sdr sds se- sed see sel sen ser ses sld sle sll sln slr sls snd sne snl snn snr sns sr- srd sre srl srn srr srs ss- ssd sse ssl ssn ssr sss