-er ddd dde ddi ddk ddm ddn ddr dds de- ded dee dei dek dem den der des di- did die dii dik dim din dir dis dke dki dkk dkm dkr dks dmd dme dmi dmk dmm dmn dmr dms dnd dne dni dnk dnm dnn dnr dns drd dre dri drk drm drn drr drs dsd dse dsi dsk dsm dsn dsr dss ed- edd ede edi edk edm edn edr eds eed eee eek eem een eer ees eid eie eii eik eim ein eir eis ekd eke eki ekr eks em- emd eme emi emk emm emn emr ems en- end ene eni enk enm enn enr ens erd ere eri erk erm ern err ers es- esd ese esi esk esm esn esr ess i-d idd ide idi idk idm idn idr ids ie- ied iee iei iek iem ien ier ies iid iie iii iim iin iir iis ike iki ikk ikr iks im- imd ime imi imm imn ims in- ind ine ini ink inm inn inr ins ir- ird ire iri irk irm irn irr irs is- isd ise isi isk ism isn isr iss kde kdk kdm kdr kds ke- ked kee kei kek kem ken ker kes kid kie kii kik kim kin kir kis kke kki kkk kkm kkn kkr kks kmd kme kmi kmk kmm kms kn- knd kne kni knk knm knn knr krd kri krk krn krr krs ksd kse ksi ksk ksm ksn ksr kss m-r mdd mde mdi mdk mdm mdn mdr mds med mee mei mek mem men mer mes mi- mid mie mii mik mim min mir mis mkd mke mkk mkm mkn mkr mks mmd mme mmi mmk mmm mmn mmr mms mne mni mnk mnm mnn mnr mns mrd mre mri mrk mrm mrn mrr mrs msd mse msi msk msm msn msr mss n-i ndd nde ndi ndk ndm ndn ndr nds ne- ned nee nei nek nem nen ner nes nid nie nii nik nim nin nir nis nke nki nkk nkm nkn nkr nks nmd nme nmi nmk nmm nmn nmr nms nne nni nnk nnm nnn nns nrd nre nri nrk nrm nrn nrr nrs nsd nse nsi nsk nsm nsn nsr nss rdd rde rdi rdm rdn rdr rds re- red ree rei rek rem ren rer res rid rie rii rik rim rin rir ris rke rkk rkm rks rmd rme rmi rmm rmn rmr rms rnd rni rnm rnn rnr rns rrd rri rrk rrm rrn rrr rrs rsd rse rsi rsk rsm rsn rsr rss sdd sde sdi sdk sdm sdn sdr sds se- sed see sei sek sem sen ser ses sid sie sii sik sim sin sir sis sk- skd ske ski skk skm skr sks smd sme smi smk smm smn smr sms snd sne sni snk snm snn snr sns sr- srd sre sri srk srm srn srr srs ss- ssd sse ssi ssk ssm ssn ssr sss