-er ddd dde ddf ddi ddl ddr dds de- ded dee def dei del der des dev dfd dfe dff dfi dfl dfr dfs dfv di- did die dif dii dil dir dis div dl- dld dle dlf dli dll dlr dls dlv drd dre dri drl drr drs drv dsd dse dsf dsi dsl dsr dss dsv dvd dve dvi dvl dvr dvs ed- edd ede edf edi edl edr eds eed eee eef eel eer ees eev ef- efd efe eff efi efl efr efs eid eie eif eii eil eir eis eiv eld ele elf eli ell elr els elv erd ere erf eri erl err ers erv es- esd ese esf esi esl esr ess esv evd eve evf evi evl evr evs evv fdd fde fdf fdi fdl fdr fds fed fee fef fei fel fer fes fev ffd ffe fff ffi ffl ffr ffs ffv fid fie fif fii fil fir fis fld fle flf fli fll flr fls frd fre frf fri frl frr frs fsd fse fsf fsi fsl fsr fss fsv fvd i-d i-f i-v idd ide idf idi idl idr ids idv ie- ied iee ief iei iel ier ies iev ifd ife iff ifi ifl ifr ifs iid iie iif iii iil iir iis il- ild ile ilf ili ill ilr ils ilv ir- ird ire irf iri irl irr irs irv is- isd ise isf isi isl isr iss isv ivd ive ivf ivi ivl ivr ivs ivv ldd lde ldf ldi ldl ldr lds ldv led lee lef lei lel ler les lev lfd lfe lff lfi lfl lfr lfs lid lie lif lii lil lir lis liv lld lle llf lli lll llr lls llv lrd lrf lri lrr lrs lrv lsd lse lsf lsi lsl lsr lss lsv lvd lve lvf lvi lvl lvr lvs lvv rdd rde rdf rdi rdl rdr rds rdv re- red ree ref rei rel rer res rev rfd rfe rff rfi rfl rfr rfs rfv rid rie rif rii ril rir ris riv rld rle rlf rli rll rlr rls rrd rrf rri rrl rrr rrs rsd rse rsf rsi rsl rsr rss rsv rvd rve rvf rvi rvl rvr rvs rvv sdd sde sdf sdi sdl sdr sds sdv se- sed see sef sei sel ser ses sev sfd sfe sff sfi sfl sfr sfs sfv sid sie sif sii sil sir sis siv sld sle slf sli sll slr sls slv sr- srd sre srf sri srl srr srs srv ss- ssd sse ssf ssi ssl ssr sss ssv svd sve svf svi svl svr svs svv v-e vdd vde vdf vdi vdl vdr vds vdv ved vee vef vei vel ver ves vfd vff vfi vfl vfr vfs vfv vi- vid vie vif vii vil vir vis viv vl- vld vle vlf vll vls vlv vrd vre vrf vri vrr vrs vsd vse vsf vsi vsl vsr vss vsv vvi vvr vvs vvv