use '?' for JOKER (blank)

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

8 letter words

savoring[12]

7 letter words

ravings[11], viragos[11], rovings[11], origans[8], signora[8], soaring[8]

6 letter words

raving[10], virago[10], roving[10], saving[10], virgas[10], vigors[10], avions[9], invars[9], ravins[9], savior[9], sovran[9], oaring[7], onagri[7], origan[7], grains[7], rasing[7], argons[7], groans[7], orangs[7], organs[7], sarong[7], girons[7], grison[7], groins[7], rosing[7], signor[7], soring[7], arsino[6], norias[6]

5 letter words

virga[9], vigor[9], vigas[9], vangs[9], avion[8], invar[8], ravin[8], savin[8], vinas[8], aviso[8], novas[8], vinos[8], vairs[8], arvos[8], savor[8], visor[8], gonia[6], garni[6], grain[6], argon[6], groan[6], orang[6], organ[6], giron[6], groin[6], gains[6], signa[6], agios[6], agons[6], ragis[6], gnars[6], grans[6], girns[6], grins[6], rings[6], sargo[6], giros[6], noria[5], airns[5], naris[5], rains[5], ranis[5], sarin[5], arson[5], roans[5], sonar[5], irons[5], noirs[5], noris[5], ornis[5], rosin[5]

4 letter words

vagi[8], viga[8], vang[8], vigs[8], vain[7], vina[7], nova[7], vino[7], vair[7], arvo[7], visa[7], vans[7], avos[7], vars[7], agin[5], gain[5], agio[5], agon[5], ragi[5], gnar[5], gran[5], rang[5], girn[5], grin[5], ring[5], giro[5], nags[5], sang[5], snag[5], gins[5], sign[5], sing[5], goas[5], sago[5], nogs[5], snog[5], song[5], gars[5], rags[5], rigs[5], naoi[4], airn[4], rain[4], rani[4], roan[4], inro[4], iron[4], noir[4], nori[4], ains[4], anis[4], sain[4], naos[4], ions[4], airs[4], rais[4], rias[4], sari[4], rins[4], oars[4], osar[4], soar[4], sora[4], sori[4], sorn[4]

3 letter words

vig[7], via[6], van[6], avo[6], ova[6], var[6], vas[6], vis[6], gan[4], nag[4], gin[4], ago[4], goa[4], nog[4], gar[4], rag[4], rig[4], gor[4], ags[4], gas[4], sag[4], gos[4], ain[3], ani[3], ion[3], air[3], rai[3], ria[3], ran[3], rin[3], oar[3], ora[3], nor[3], ais[3], ins[3], sin[3], nos[3], ons[3], son[3], ars[3], ras[3], sir[3], sri[3], ors[3]

2 letter words

ag[3], ai[2], an[2], na[2]