-er ddd dde ddg ddn ddo ddr dds de- ded dee deg den deo der des dev dgd dge dgg dgn dgr dgs dnd dne dng dnn dno dnr dns dod doe dog don doo dor dos dov drd dre drg drn dro drr drs drv dsd dse dsg dsn dso dsr dss dsv dvd dve dvg dvn dvr dvs ed- edd ede edg edn edo edr eds eed eee eeg een eeo eer ees eev egd ege egg egn ego egr egs en- end ene eng enn eno enr ens env eo- eod eoe eog eon eoo eor eos erd ere erg ern ero err ers erv es- esd ese esg esn eso esr ess esv evd eve evg evn evo evr evs evv g-d gdd gde gdn gdo gdr gds gdv ge- ged gee geg gen geo ger ges gev ggd ggg ggn ggo ggr ggs ggv gnd gne gnn gno gnr gns gnv god goe gog gon goo gor gos gov grd gre grg grn gro grr grs grv gsd gse gsg gsn gso gsr gss gsv gvd gve gvg gvn gvo gvr gvs ndd nde ndg ndn ndo ndr nds ndv ne- ned nee neg nen neo ner nes nev ngd nge ngg ngn ngo ngs nne nng nnn nno nns nnv no- nod noe nog non noo nor nos nov nrd nre nrg nrn nro nrr nrs nrv nsd nse nsg nsn nso nsr nss nsv nvd nve nvg nvn nvv odd ode odg odn odo odr ods odv oed oee oeg oen oeo oer oes ogd oge ogg ogn ogo ogs on- ond one ong onn ono onr ons oo- ood oog oon ooo oor oos oov or- ord ore org orn oro orr ors orv os- osd ose osg osn oso osr oss osv ov- ovd ove ovo ovs ovv rdd rde rdg rdn rdo rdr rds rdv re- red ree reg ren reo rer res rev rgd rge rgg rgn rgo rgr rgs rgv rnd rng rnn rno rnr rns rnv rod roe rog ron roo ror ros rov rrd rrg rrn rrr rrs rsd rse rsg rsn rso rsr rss rsv rvd rve rvg rvn rvo rvr rvs rvv sdd sde sdg sdn sdo sdr sds sdv se- sed see seg sen seo ser ses sev sgd sge sgg sgn sgo sgr sgs sgv snd sne sng snn sno snr sns snv sod soe sog son soo sor sos sov sr- srd sre srg srn sro srr srs srv ss- ssd sse ssg ssn sso ssr sss ssv svd sve svg svn svo svr svs svv v-e vdd vde vdg vdo vdr vds vdv ved vee veg ven veo ver ves vgg vgn vgo vgr vgs vn- vnd vng vno vnr vns vnv vod voe vog von voo vor vos vov vrd vre vrg vrn vrr vrs vsd vse vsg vsn vso vsr vss vsv vvg vvo vvr vvs vvv