-er ddd dde ddi ddm ddn ddr dds de- ded dee dei dem den der des di- did die dii dim din dir dis dmd dme dmi dmm dmn dmr dms dnd dne dni dnm dnn dnr dns drd dre dri drm drn drr drs dsd dse dsi dsm dsn dsr dss ed- edd ede edi edm edn edr eds eed eee eem een eer ees eid eie eii eim ein eir eis em- emd eme emi emm emn emr ems en- end ene eni enm enn enr ens erd ere eri erm ern err ers es- esd ese esi esm esn esr ess i-d idd ide idi idm idn idr ids ie- ied iee iei iem ien ier ies iid iie iii iim iin iir iis im- imd ime imi imm imn ims in- ind ine ini inm inn inr ins ir- ird ire iri irm irn irr irs is- isd ise isi ism isn isr iss m-r mdd mde mdi mdm mdn mdr mds med mee mei mem men mer mes mi- mid mie mii mim min mir mis mmd mme mmi mmm mmn mmr mms mne mni mnm mnn mnr mns mrd mre mri mrm mrn mrr mrs msd mse msi msm msn msr mss n-i ndd nde ndi ndm ndn ndr nds ne- ned nee nei nem nen ner nes nid nie nii nim nin nir nis nmd nme nmi nmm nmn nmr nms nne nni nnm nnn nns nrd nre nri nrm nrn nrr nrs nsd nse nsi nsm nsn nsr nss rdd rde rdi rdm rdn rdr rds re- red ree rei rem ren rer res rid rie rii rim rin rir ris rmd rme rmi rmm rmn rmr rms rnd rni rnm rnn rnr rns rrd rri rrm rrn rrr rrs rsd rse rsi rsm rsn rsr rss sdd sde sdi sdm sdn sdr sds se- sed see sei sem sen ser ses sid sie sii sim sin sir sis smd sme smi smm smn smr sms snd sne sni snm snn snr sns sr- srd sre sri srm srn srr srs ss- ssd sse ssi ssm ssn ssr sss