use '?' for JOKER (blank)

From letters E, N, G, R, A, V, E, S  I made following words

8 letter words

avengers[12], engraves[12]

7 letter words

avenger[11], engrave[11], avenges[11], genevas[11], greaves[11], enrages[8]

6 letter words

avenge[10], geneva[10], greave[10], regave[10], graven[10], ganevs[10], vegans[10], venges[10], graves[10], verges[10], veenas[9], averse[9], reaves[9], ravens[9], nerves[9], enrage[7], genera[7], agenes[7], senega[7], agrees[7], eagers[7], eagres[7], grease[7], ragees[7], angers[7], ranges[7], sanger[7], genres[7], greens[7], arenes[6], ranees[6]

5 letter words

ganev[9], vegan[9], venge[9], grave[9], verge[9], veges[9], vangs[9], veena[8], venae[8], reave[8], raven[8], nerve[8], never[8], eaves[8], avens[8], naves[8], vanes[8], evens[8], neves[8], seven[8], avers[8], raves[8], saver[8], serve[8], sever[8], veers[8], verse[8], agene[6], agree[6], eager[6], eagre[6], ragee[6], anger[6], range[6], regna[6], genre[6], green[6], genes[6], agers[6], gears[6], rages[6], sager[6], sarge[6], egers[6], grees[6], reges[6], serge[6], gnars[6], grans[6], arene[5], ranee[5], erase[5], saree[5], earns[5], nares[5], nears[5], saner[5], snare[5], ernes[5], sneer[5]

4 letter words

gave[8], vang[8], eave[7], nave[7], vane[7], vena[7], even[7], neve[7], aver[7], rave[7], vera[7], ever[7], veer[7], aves[7], save[7], vase[7], eves[7], vees[7], vans[7], vars[7], revs[7], agee[5], gaen[5], gane[5], gene[5], ager[5], gear[5], rage[5], eger[5], gree[5], gnar[5], gran[5], rang[5], ages[5], gaes[5], sage[5], gees[5], nags[5], sang[5], snag[5], engs[5], gens[5], negs[5], gars[5], rags[5], ergs[5], regs[5], earn[4], near[4], erne[4], ease[4], anes[4], sane[4], esne[4], seen[4], sene[4], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], rees[4], seer[4], sere[4], erns[4]

3 letter words

age[4], gae[4], gee[4], gan[4], nag[4], eng[4], gen[4], neg[4], gar[4], rag[4], erg[4], reg[4], ags[4], gas[4], sag[4], seg[4], ane[3], nae[3], nee[3], are[3], ear[3], era[3], ere[3], ree[3], ran[3], ern[3], sae[3], sea[3], see[3], ens[3], sen[3], ars[3], ras[3], ers[3]