-er ddd dde ddl ddm ddn ddr de- ded dee del dem den der dl- dld dle dll dlm dlr dmd dme dml dmm dmn dmr dnd dne dnl dnm dnn dnr drd dre drl drm drn drr ed- edd ede edl edm edn edr eed eee eel eem een eer eld ele ell elm eln elr em- emd eme eml emm emn emr en- end ene enl enm enn enr erd ere erl erm ern err ldd lde ldl ldm ldn ldr led lee lel lem len ler lld lle lll llm lln llr lmd lme lml lmm lmn lmr lnd lne lnl lnm lnn lnr lrd lrm lrn lrr m-r mdd mde mdl mdm mdn mdr med mee mel mem men mer mld mle mll mlm mln mlr mmd mme mml mmm mmn mmr mne mnl mnm mnn mnr mrd mre mrl mrm mrn mrr ndd nde ndl ndm ndn ndr ne- ned nee nel nem nen ner nld nle nll nlm nln nlr nmd nme nml nmm nmn nmr nne nnl nnm nnn nrd nre nrl nrm nrn nrr rdd rde rdl rdm rdn rdr re- red ree rel rem ren rer rld rle rll rlm rln rlr rmd rme rml rmm rmn rmr rnd rnm rnn rnr rrd rrl rrm rrn rrr