-er ddd dde ddf ddm ddn ddr dds ddt ddu de- ded dee def dem den der des det deu dfd dfe dff dfm dfn dfr dfs dft dfu dmd dme dmf dmm dmn dmr dms dmt dmu dnd dne dnf dnm dnn dnr dns dnt drd dre drm drn drr drs drt dru dsd dse dsf dsm dsn dsr dss dst dsu dtd dte dtf dtm dtn dtr dts dtt dtu dud due duf dum dun dur dus dut ed- edd ede edf edm edn edr eds edt edu eed eee eef eem een eer ees eet ef- efd efe eff efm efr efs eft em- emd eme emf emm emn emr ems emt emu en- end ene enf enm enn enr ens ent enu erd ere erf erm ern err ers ert eru es- esd ese esf esm esn esr ess est esu etd ete etf etm etn etr ets ett etu eu- eud eue euf eun eur eus eut fdd fde fdf fdm fdn fdr fds fdt fdu fed fee fef fem fen fer fes fet feu ffd ffe fff ffm ffn ffr ffs fft ffu fmd fme fmf fmm fmn fmr fms fmt fmu fnd fne fnf fnm fnn fnr fns fnt fnu frd fre frf frm frn frr frs frt fru fsd fse fsf fsm fsn fsr fss fst fsu ftd fte ftf ftm ftn ftr fts ftt ftu fud fue fuf fum fun fur fus fut fuu m-f m-r mdd mde mdf mdm mdn mdr mds mdt mdu med mee mef mem men mer mes met meu mfd mfe mff mfm mfn mfr mfs mft mfu mmd mme mmf mmm mmn mmr mms mmt mmu mne mnf mnm mnn mnr mns mnt mnu mrd mre mrf mrm mrn mrr mrs mrt mru msd mse msf msm msn msr mss mst msu mtd mte mtf mtm mtn mtr mts mtt mtu mud mue muf mum mun mur mus mut muu ndd nde ndf ndm ndn ndr nds ndt ndu ne- ned nee nef nem nen ner nes net neu nfd nfe nff nfn nfr nfs nft nfu nmd nme nmm nmn nmr nms nmt nmu nne nnf nnm nnn nns nnt nnu nrd nre nrf nrm nrn nrr nrs nrt nru nsd nse nsf nsm nsn nsr nss nst nsu ntd nte ntf ntm ntn ntr nts ntt ntu nud nue num nun nur nus nut nuu rdd rde rdf rdm rdn rdr rds rdt rdu re- red ree ref rem ren rer res ret reu rfd rfe rff rfm rfn rfr rfs rft rfu rmd rme rmf rmm rmn rmr rms rmt rnd rnm rnn rnr rns rnt rnu rrd rrf rrm rrn rrr rrs rrt rru rsd rse rsf rsm rsn rsr rss rst rsu rtd rte rtf rtm rtn rtr rts rtt rtu rud rue ruf rum run rur rus rut ruu sdd sde sdf sdm sdn sdr sds sdt sdu se- sed see sef sem sen ser ses set seu sfd sfe sff sfm sfn sfr sfs sft sfu smd sme smf smm smn smr sms smt smu snd sne snf snm snn snr sns snt snu sr- srd sre srf srm srn srr srs srt ss- ssd sse ssf ssm ssn ssr sss sst ssu std ste stf stm stn str sts stt stu sud sue suf sum sun sur sus sut suu tdd tde tdf tdm tdn tdr tds tdt tdu te- ted tee tef tem ten ter tes tet teu tfd tfe tff tfm tfn tfr tfs tft tfu tmd tme tmf tmm tmn tmr tms tmt tmu tnd tne tnf tnm tnn tnr tns tnt trd tre trf trm trn trr trs trt tru tsd tse tsf tsm tsn tsr tss tst tsu ttd tte ttf ttm ttn ttr tts ttt ttu tud tue tuf tum tun tur tus tut tuu udd ude udf udm udn udr uds udt udu ued uee uef uem uen uer ues uet ufd ufe uff ufm ufn ufr ufs uft ufu um- umd ume umf umm umn umr ums umt umu un- und une unf unm unn unr uns unt unu ur- urd ure urf urm urn urr urs urt uru usd use usf usm usn usr uss ust usu utd ute utf utm utn utr uts utt utu uue uum uun uur uus uut uuu