use '?' for JOKER (blank)

From letters S, A, U, N, T, E, R, S  I made following words

8 letter words

anestrus[8], saunters[8]

7 letter words

sarsnet[7], natures[7], saunter[7], unseats[7], santurs[7], unrests[7]

6 letter words

sarsen[6], snares[6], antres[6], astern[6], sterna[6], assent[6], sanest[6], stanes[6], assert[6], asters[6], stares[6], sterns[6], anuses[6], usneas[6], assure[6], urases[6], nurses[6], nature[6], unseat[6], urates[6], santur[6], tuners[6], unrest[6], sautes[6], sunset[6], unsets[6], sutras[6], tarsus[6], tussar[6], estrus[6], russet[6], surest[6], tusser[6]

5 letter words

earns[5], nares[5], nears[5], saner[5], snare[5], sanes[5], sensa[5], arses[5], rases[5], sears[5], antre[5], antes[5], etnas[5], nates[5], neats[5], stane[5], aster[5], rates[5], resat[5], stare[5], tares[5], tears[5], rants[5], tarns[5], trans[5], nerts[5], rents[5], stern[5], terns[5], asset[5], easts[5], sates[5], seats[5], tasse[5], nests[5], stars[5], trass[5], tsars[5], rests[5], tress[5], usnea[5], aures[5], urase[5], ureas[5], ursae[5], nurse[5], runes[5], suras[5], ruses[5], suers[5], users[5], urate[5], tuner[5], saute[5], aunts[5], tunas[5], tunes[5], unset[5], sutra[5], trues[5], runts[5], turns[5], suets[5], stuns[5], rusts[5], truss[5]

4 letter words

earn[4], near[4], anes[4], sane[4], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], erns[4], seas[4], sans[4], ness[4], sers[4], ante[4], etna[4], neat[4], rate[4], tare[4], tear[4], rant[4], tarn[4], rent[4], tern[4], ates[4], east[4], eats[4], etas[4], sate[4], seat[4], seta[4], teas[4], ants[4], tans[4], nest[4], nets[4], sent[4], tens[4], arts[4], rats[4], star[4], tars[4], tsar[4], erst[4], rest[4], rets[4], tres[4], tass[4], sets[4], urea[4], rune[4], anus[4], sura[4], ursa[4], rues[4], ruse[4], suer[4], sure[4], user[4], runs[4], urns[4], sues[4], uses[4], suns[4], aunt[4], tuna[4], tune[4], true[4], runt[4], turn[4], taus[4], utas[4], suet[4], utes[4], nuts[4], stun[4], tuns[4], rust[4], ruts[4]

3 letter words

ane[3], nae[3], are[3], ear[3], era[3], ran[3], ern[3], sae[3], sea[3], ens[3], sen[3], ars[3]