-er ddd dde ddf ddi ddm ddn ddr dds ddt de- ded dee def dei dem den der des det dfd dfe dff dfi dfm dfn dfr dfs dft di- did die dif dii dim din dir dis dit dmd dme dmf dmi dmm dmn dmr dms dmt dnd dne dnf dni dnm dnn dnr dns dnt drd dre dri drm drn drr drs drt dsd dse dsf dsi dsm dsn dsr dss dst dtd dte dtf dti dtm dtn dtr dts dtt ed- edd ede edf edi edm edn edr eds edt eed eee eef eem een eer ees eet ef- efd efe eff efi efm efr efs eft eid eie eif eii eim ein eir eis eit em- emd eme emf emi emm emn emr ems emt en- end ene enf eni enm enn enr ens ent erd ere erf eri erm ern err ers ert es- esd ese esf esi esm esn esr ess est etd ete etf eti etm etn etr ets ett fdd fde fdf fdi fdm fdn fdr fds fdt fed fee fef fei fem fen fer fes fet ffd ffe fff ffi ffm ffn ffr ffs fft fid fie fif fii fim fin fir fis fit fmd fme fmf fmi fmm fmn fmr fms fmt fnd fne fnf fni fnm fnn fnr fns fnt frd fre frf fri frm frn frr frs frt fsd fse fsf fsi fsm fsn fsr fss fst ftd fte ftf fti ftm ftn ftr fts ftt i-d i-f idd ide idf idi idm idn idr ids idt ie- ied iee ief iei iem ien ier ies iet ifd ife iff ifi ifm ifn ifr ifs ift iid iie iif iii iim iin iir iis iit im- imd ime imf imi imm imn ims imt in- ind ine inf ini inm inn inr ins int ir- ird ire irf iri irm irn irr irs irt is- isd ise isf isi ism isn isr iss ist itd ite itf iti itm itn its itt m-f m-r mdd mde mdf mdi mdm mdn mdr mds mdt med mee mef mei mem men mer mes met mfd mfe mff mfi mfm mfn mfr mfs mft mi- mid mie mif mii mim min mir mis mit mmd mme mmf mmi mmm mmn mmr mms mmt mne mnf mni mnm mnn mnr mns mnt mrd mre mrf mri mrm mrn mrr mrs mrt msd mse msf msi msm msn msr mss mst mtd mte mtf mti mtm mtn mtr mts mtt n-i ndd nde ndf ndi ndm ndn ndr nds ndt ne- ned nee nef nei nem nen ner nes net nfd nfe nff nfi nfn nfr nfs nft nid nie nif nii nim nin nir nis nit nmd nme nmi nmm nmn nmr nms nmt nne nnf nni nnm nnn nns nnt nrd nre nrf nri nrm nrn nrr nrs nrt nsd nse nsf nsi nsm nsn nsr nss nst ntd nte ntf nti ntm ntn ntr nts ntt rdd rde rdf rdi rdm rdn rdr rds rdt re- red ree ref rei rem ren rer res ret rfd rfe rff rfi rfm rfn rfr rfs rft rid rie rif rii rim rin rir ris rit rmd rme rmf rmi rmm rmn rmr rms rmt rnd rni rnm rnn rnr rns rnt rrd rrf rri rrm rrn rrr rrs rrt rsd rse rsf rsi rsm rsn rsr rss rst rtd rte rtf rti rtm rtn rtr rts rtt sdd sde sdf sdi sdm sdn sdr sds sdt se- sed see sef sei sem sen ser ses set sfd sfe sff sfi sfm sfn sfr sfs sft sid sie sif sii sim sin sir sis sit smd sme smf smi smm smn smr sms smt snd sne snf sni snm snn snr sns snt sr- srd sre srf sri srm srn srr srs srt ss- ssd sse ssf ssi ssm ssn ssr sss sst std ste stf sti stm stn str sts stt tdd tde tdf tdi tdm tdn tdr tds tdt te- ted tee tef tei tem ten ter tes tet tfd tfe tff tfi tfm tfn tfr tfs tft tid tie tif tii tim tin tir tis tit tmd tme tmf tmi tmm tmn tmr tms tmt tnd tne tnf tni tnm tnn tnr tns tnt trd tre trf tri trm trn trr trs trt tsd tse tsf tsi tsm tsn tsr tss tst ttd tte ttf tti ttm ttn ttr tts ttt