-er ddd dde ddk ddl ddn ddr de- ded dee dek del den der dke dkk dkl dkr dl- dld dle dlk dll dlr dnd dne dnk dnl dnn dnr drd dre drk drl drn drr ed- edd ede edk edl edn edr eed eee eek eel een eer ekd eke ekl ekr eld ele elk ell eln elr en- end ene enk enl enn enr erd ere erk erl ern err kde kdk kdl kdr ke- ked kee kek kel ken ker kke kkk kkl kkn kkr kl- kld klr kn- knd kne knk knl knn knr krd krk krl krn krr ldd lde ldk ldl ldn ldr led lee lek lel len ler lkl lkr lld lle llk lll lln llr lnd lne lnk lnl lnn lnr lrd lrk lrn lrr ndd nde ndk ndl ndn ndr ne- ned nee nek nel nen ner nke nkk nkn nkr nld nle nlk nll nln nlr nne nnk nnl nnn nrd nre nrk nrl nrn nrr rdd rde rdl rdn rdr re- red ree rek rel ren rer rke rkk rld rle rll rln rlr rnd rnn rnr rrd rrk rrl rrn rrr