-er ddd dde ddf ddi ddl ddn ddr dds ddt de- ded dee def dei del den der des det dfd dfe dff dfi dfl dfn dfr dfs dft di- did die dif dii dil din dir dis dit dl- dld dle dlf dli dll dlr dls dlt dnd dne dnf dni dnl dnn dnr dns dnt drd dre dri drl drn drr drs drt dsd dse dsf dsi dsl dsn dsr dss dst dtd dte dtf dti dtl dtn dtr dts dtt ed- edd ede edf edi edl edn edr eds edt eed eee eef eel een eer ees eet ef- efd efe eff efi efl efr efs eft eid eie eif eii eil ein eir eis eit eld ele elf eli ell eln elr els elt en- end ene enf eni enl enn enr ens ent erd ere erf eri erl ern err ers ert es- esd ese esf esi esl esn esr ess est etd ete etf eti etl etn etr ets ett fdd fde fdf fdi fdl fdn fdr fds fdt fed fee fef fei fel fen fer fes fet ffd ffe fff ffi ffl ffn ffr ffs fft fid fie fif fii fil fin fir fis fit fld fle flf fli fll fln flr fls flt fnd fne fnf fni fnl fnn fnr fns fnt frd fre frf fri frl frn frr frs frt fsd fse fsf fsi fsl fsn fsr fss fst ftd fte ftf fti ftl ftn ftr fts ftt i-d i-f idd ide idf idi idl idn idr ids idt ie- ied iee ief iei iel ien ier ies iet ifd ife iff ifi ifl ifn ifr ifs ift iid iie iif iii iil iin iir iis iit il- ild ile ilf ili ill iln ilr ils ilt in- ind ine inf ini inl inn inr ins int ir- ird ire irf iri irl irn irr irs irt is- isd ise isf isi isl isn isr iss ist itd ite itf iti itl itn its itt ldd lde ldf ldi ldl ldn ldr lds ldt led lee lef lei lel len ler les let lfd lfe lff lfi lfl lfn lfr lfs lft lid lie lif lii lil lin lir lis lit lld lle llf lli lll lln llr lls llt lnd lne lni lnl lnn lnr lns lnt lrd lrf lri lrn lrr lrs lrt lsd lse lsf lsi lsl lsn lsr lss lst ltd lte ltf lti ltl ltr lts ltt n-i ndd nde ndf ndi ndl ndn ndr nds ndt ne- ned nee nef nei nel nen ner nes net nfd nfe nff nfi nfl nfn nfr nfs nft nid nie nif nii nil nin nir nis nit nld nle nlf nli nll nln nlr nls nlt nne nnf nni nnl nnn nns nnt nrd nre nrf nri nrl nrn nrr nrs nrt nsd nse nsf nsi nsl nsn nsr nss nst ntd nte ntf nti ntn ntr nts ntt rdd rde rdf rdi rdl rdn rdr rds rdt re- red ree ref rei rel ren rer res ret rfd rfe rff rfi rfl rfn rfr rfs rft rid rie rif rii ril rin rir ris rit rld rle rlf rli rll rln rlr rls rlt rnd rni rnn rnr rns rnt rrd rrf rri rrl rrn rrr rrs rrt rsd rse rsf rsi rsl rsn rsr rss rst rtd rte rtf rti rtl rtn rtr rts rtt sdd sde sdf sdi sdl sdn sdr sds sdt se- sed see sef sei sel sen ser ses set sfd sfe sff sfi sfl sfn sfr sfs sft sid sie sif sii sil sin sir sis sit sld sle slf sli sll sln slr sls slt snd sne snf sni snl snn snr sns snt sr- srd sre srf sri srl srn srr srs srt ss- ssd sse ssf ssi ssl ssn ssr sss sst std ste stf sti stl stn str sts stt tdd tde tdf tdi tdl tdn tdr tds tdt te- ted tee tef tei tel ten ter tes tet tfd tfe tff tfi tfl tfn tfr tfs tft tid tie tif tii til tin tir tis tit tld tle tlf tli tll tln tlr tls tlt tnd tne tnf tni tnl tnn tnr tns tnt trd tre trf tri trl trn trr trs trt tsd tse tsf tsi tsl tsn tsr tss tst ttd tte ttf tti ttl ttn ttr tts ttt