-er ddd dde ddl ddn ddr de- ded dee del den der dl- dld dle dll dlr dnd dne dnl dnn dnr drd dre drl drn drr ed- edd ede edl edn edr eed eee eel een eer eld ele ell eln elr en- end ene enl enn enr erd ere erl ern err ldd lde ldl ldn ldr led lee lel len ler lld lle lll lln llr lnd lne lnl lnn lnr lrd lrn lrr ndd nde ndl ndn ndr ne- ned nee nel nen ner nld nle nll nln nlr nne nnl nnn nrd nre nrl nrn nrr rdd rde rdl rdn rdr re- red ree rel ren rer rld rle rll rln rlr rnd rnn rnr rrd rrl rrn rrr