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

8 letter words

salvager[12]

7 letter words

lavages[11], salvage[11], ravages[11], savager[11], gravels[11], verglas[11], alegars[8], laagers[8]

6 letter words

lavage[10], ravage[10], gravel[10], agaves[10], savage[10], gavels[10], graves[10], larvae[9], larvas[9], lavers[9], ravels[9], salver[9], serval[9], slaver[9], velars[9], versal[9], aglare[7], alegar[7], laager[7], galeas[7], argals[7], graals[7], argles[7], glares[7], lagers[7], larges[7]

5 letter words

agave[9], vagal[9], gavel[9], grave[9], avgas[9], arval[8], larva[8], laver[8], ravel[8], velar[8], lavas[8], vasal[8], laves[8], salve[8], selva[8], slave[8], vales[8], valse[8], veals[8], varas[8], avers[8], raves[8], saver[8], algae[6], galea[6], argal[6], graal[6], argle[6], glare[6], lager[6], large[6], regal[6], algas[6], galas[6], gales[6], agars[6], ragas[6], agers[6], gears[6], rages[6], sager[6], sarge[6], areal[5], areas[5], arles[5], earls[5], lares[5], laser[5], lears[5], rales[5], reals[5], seral[5]

4 letter words

gave[8], lava[7], lave[7], leva[7], vale[7], veal[7], vela[7], vara[7], aver[7], rave[7], vera[7], vasa[7], aves[7], save[7], vase[7], lavs[7], vars[7], revs[7], alga[5], gala[5], egal[5], gale[5], agar[5], raga[5], ager[5], gear[5], rage[5], agas[5], saga[5], ages[5], gaes[5], sage[5], gals[5], lags[5], slag[5], gels[5], legs[5], gars[5], rags[5], ergs[5], regs[5], alae[4], area[4], alar[4], earl[4], lear[4], rale[4], real[4], asea[4], aals[4], alas[4], ales[4], lase[4], leas[4], sale[4], seal[4], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], lars[4]

3 letter words

veg[7], ava[6], ave[6], lav[6], lev[6], var[6], rev[6], vas[6], aga[4], age[4], gae[4], gal[4], lag[4], gel[4], leg[4], gar[4], rag[4], erg[4], reg[4], ags[4], gas[4], sag[4], seg[4], aal[3], ala[3], ale[3], lea[3], are[3], ear[3], era[3], lar[3], aas[3], sae[3], sea[3], als[3], las[3], sal[3], els[3], les[3], sel[3], ars[3], ras[3], ers[3], res[3], ser[3]

2 letter words

ag[3], aa[2], ae[2], al[2]