-er ddd dde ddf ddm ddn ddr dds ddu de- ded dee def dem den der des deu dfd dfe dff dfm dfn dfr dfs dfu dmd dme dmf dmm dmn dmr dms dmu dnd dne dnf dnm dnn dnr dns drd dre drm drn drr drs dru dsd dse dsf dsm dsn dsr dss dsu dud due duf dum dun dur dus ed- edd ede edf edm edn edr eds edu eed eee eef eem een eer ees ef- efd efe eff efm efr efs em- emd eme emf emm emn emr ems emu en- end ene enf enm enn enr ens enu erd ere erf erm ern err ers eru es- esd ese esf esm esn esr ess esu eu- eud eue euf eun eur eus fdd fde fdf fdm fdn fdr fds fdu fed fee fef fem fen fer fes feu ffd ffe fff ffm ffn ffr ffs ffu fmd fme fmf fmm fmn fmr fms fmu fnd fne fnf fnm fnn fnr fns fnu frd fre frf frm frn frr frs fru fsd fse fsf fsm fsn fsr fss fsu fud fue fuf fum fun fur fus fuu m-f m-r mdd mde mdf mdm mdn mdr mds mdu med mee mef mem men mer mes meu mfd mfe mff mfm mfn mfr mfs mfu mmd mme mmf mmm mmn mmr mms mmu mne mnf mnm mnn mnr mns mnu mrd mre mrf mrm mrn mrr mrs mru msd mse msf msm msn msr mss msu mud mue muf mum mun mur mus muu ndd nde ndf ndm ndn ndr nds ndu ne- ned nee nef nem nen ner nes neu nfd nfe nff nfn nfr nfs nfu nmd nme nmm nmn nmr nms nmu nne nnf nnm nnn nns nnu nrd nre nrf nrm nrn nrr nrs nru nsd nse nsf nsm nsn nsr nss nsu nud nue num nun nur nus nuu rdd rde rdf rdm rdn rdr rds rdu re- red ree ref rem ren rer res reu rfd rfe rff rfm rfn rfr rfs rfu rmd rme rmf rmm rmn rmr rms rnd rnm rnn rnr rns rnu rrd rrf rrm rrn rrr rrs rru rsd rse rsf rsm rsn rsr rss rsu rud rue ruf rum run rur rus ruu sdd sde sdf sdm sdn sdr sds sdu se- sed see sef sem sen ser ses seu sfd sfe sff sfm sfn sfr sfs sfu smd sme smf smm smn smr sms smu snd sne snf snm snn snr sns snu sr- srd sre srf srm srn srr srs ss- ssd sse ssf ssm ssn ssr sss ssu sud sue suf sum sun sur sus suu udd ude udf udm udn udr uds udu ued uee uef uem uen uer ues ufd ufe uff ufm ufn ufr ufs ufu um- umd ume umf umm umn umr ums umu un- und une unf unm unn unr uns unu ur- urd ure urf urm urn urr urs uru usd use usf usm usn usr uss usu uue uum uun uur uus uuu