-er ddd dde ddf ddn ddo ddr dds de- ded dee def den deo der des dev dfd dfe dff dfn dfo dfr dfs dfv dnd dne dnf dnn dno dnr dns dod doe dof don doo dor dos dov drd dre drn dro drr drs drv dsd dse dsf dsn dso dsr dss dsv dvd dve dvn dvr dvs ed- edd ede edf edn edo edr eds eed eee eef een eeo eer ees eev ef- efd efe eff efo efr efs en- end ene enf enn eno enr ens env eo- eod eoe eof eon eoo eor eos erd ere erf ern ero err ers erv es- esd ese esf esn eso esr ess esv evd eve evf evn evo evr evs evv fdd fde fdf fdn fdo fdr fds fed fee fef fen feo fer fes fev ffd ffe fff ffn ffo ffr ffs ffv fnd fne fnf fnn fnr fns fnv foe fof fon foo for fos frd fre frf frn fro frr frs fsd fse fsf fsn fso fsr fss fsv fvd ndd nde ndf ndn ndo ndr nds ndv ne- ned nee nef nen neo ner nes nev nfd nfe nff nfn nfo nfr nfs nfv nne nnf nnn nno nns nnv no- nod noe nof non noo nor nos nov nrd nre nrf nrn nro nrr nrs nrv nsd nse nsf nsn nso nsr nss nsv nvd nve nvn nvv odd ode odf odn odo odr ods odv oed oee oef oen oeo oer oes of- ofd ofe off ofn ofo ofr ofs ofv on- ond one onf onn ono onr ons oo- ood oof oon ooo oor oos oov or- ord ore orf orn oro orr ors orv os- osd ose osf osn oso osr oss osv ov- ovd ove ovf ovo ovs ovv rdd rde rdf rdn rdo rdr rds rdv re- red ree ref ren reo rer res rev rfd rfe rff rfn rfo rfr rfs rfv rnd rnn rno rnr rns rnv rod roe rof ron roo ror ros rov rrd rrf rrn rrr rrs rsd rse rsf rsn rso rsr rss rsv rvd rve rvf rvn rvo rvr rvs rvv sdd sde sdf sdn sdo sdr sds sdv se- sed see sef sen seo ser ses sev sfd sfe sff sfn sfo sfr sfs sfv snd sne snf snn sno snr sns snv sod soe sof son soo sor sos sov sr- srd sre srf srn sro srr srs srv ss- ssd sse ssf ssn sso ssr sss ssv svd sve svf svn svo svr svs svv v-e vdd vde vdf vdo vdr vds vdv ved vee vef ven veo ver ves vfd vff vfn vfr vfs vfv vn- vnd vnf vno vnr vns vnv vod voe vof von voo vor vos vov vrd vre vrf vrn vrr vrs vsd vse vsf vsn vso vsr vss vsv vvo vvr vvs vvv