-er ddd dde ddf ddl ddn ddr dds ddt ddu de- ded dee def del den der des det deu dfd dfe dff dfl dfn dfr dfs dft dfu dl- dld dle dlf dll dlr dls dlt dlu dnd dne dnf dnl dnn dnr dns dnt drd dre drl drn drr drs drt dru dsd dse dsf dsl dsn dsr dss dst dsu dtd dte dtf dtl dtn dtr dts dtt dtu dud due duf dul dun dur dus dut ed- edd ede edf edl edn edr eds edt edu eed eee eef eel een eer ees eet ef- efd efe eff efl efr efs eft eld ele elf ell eln elr els elt elu en- end ene enf enl enn enr ens ent enu erd ere erf erl ern err ers ert eru es- esd ese esf esl esn esr ess est esu etd ete etf etl etn etr ets ett etu eu- eud eue euf eul eun eur eus eut fdd fde fdf fdl fdn fdr fds fdt fdu fed fee fef fel fen fer fes fet feu ffd ffe fff ffl ffn ffr ffs fft ffu fld fle flf fll fln flr fls flt flu fnd fne fnf fnl fnn fnr fns fnt fnu frd fre frf frl frn frr frs frt fru fsd fse fsf fsl fsn fsr fss fst fsu ftd fte ftf ftl ftn ftr fts ftt ftu fud fue fuf ful fun fur fus fut fuu ldd lde ldf ldl ldn ldr lds ldt ldu led lee lef lel len ler les let leu lfd lfe lff lfl lfn lfr lfs lft lfu lld lle llf lll lln llr lls llt llu lnd lne lnl lnn lnr lns lnt lnu lrd lrf lrn lrr lrs lrt lru lsd lse lsf lsl lsn lsr lss lst lsu ltd lte ltf ltl ltr lts ltt ltu lud lue luf lul lun lur lus lut luu ndd nde ndf ndl ndn ndr nds ndt ndu ne- ned nee nef nel nen ner nes net neu nfd nfe nff nfl nfn nfr nfs nft nfu nld nle nlf nll nln nlr nls nlt nlu nne nnf nnl nnn nns nnt nnu nrd nre nrf nrl nrn nrr nrs nrt nru nsd nse nsf nsl nsn nsr nss nst nsu ntd nte ntf ntn ntr nts ntt ntu nud nue nul nun nur nus nut nuu rdd rde rdf rdl rdn rdr rds rdt rdu re- red ree ref rel ren rer res ret reu rfd rfe rff rfl rfn rfr rfs rft rfu rld rle rlf rll rln rlr rls rlt rlu rnd rnn rnr rns rnt rnu rrd rrf rrl rrn rrr rrs rrt rru rsd rse rsf rsl rsn rsr rss rst rsu rtd rte rtf rtl rtn rtr rts rtt rtu rud rue ruf run rur rus rut ruu sdd sde sdf sdl sdn sdr sds sdt sdu se- sed see sef sel sen ser ses set seu sfd sfe sff sfl sfn sfr sfs sft sfu sld sle slf sll sln slr sls slt slu snd sne snf snl snn snr sns snt snu sr- srd sre srf srl srn srr srs srt ss- ssd sse ssf ssl ssn ssr sss sst ssu std ste stf stl stn str sts stt stu sud sue suf sul sun sur sus sut suu tdd tde tdf tdl tdn tdr tds tdt tdu te- ted tee tef tel ten ter tes tet teu tfd tfe tff tfl tfn tfr tfs tft tfu tld tle tlf tll tln tlr tls tlt tlu tnd tne tnf tnl tnn tnr tns tnt trd tre trf trl trn trr trs trt tru tsd tse tsf tsl tsn tsr tss tst tsu ttd tte ttf ttl ttn ttr tts ttt ttu tud tue tuf tul tun tur tus tut tuu udd ude udf udl udn udr uds udt udu ued uee uef uel uen uer ues uet ufd ufe uff ufl ufn ufr ufs uft ufu uld ule ulf ull uln ulr uls ult ulu un- und une unf unl unn unr uns unt unu ur- urd ure urf url urn urr urs urt uru usd use usf usl usn usr uss ust usu utd ute utf utl utn utr uts utt utu uue uun uur uus uut uuu