use '?' for JOKER (blank)

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

8 letter words

santeras[8]

7 letter words

santera[7], sarsnet[7]

6 letter words

anears[6], arenas[6], sansar[6], sarans[6], sarsen[6], snares[6], ansate[6], reatas[6], ratans[6], antres[6], astern[6], sterna[6], assent[6], sanest[6], stanes[6], assert[6], asters[6], stares[6], sterns[6]

5 letter words

anear[5], arena[5], ansae[5], areas[5], saran[5], earns[5], nares[5], nears[5], saner[5], snare[5], sanes[5], sensa[5], arses[5], rases[5], sears[5], antae[5], reata[5], antra[5], ratan[5], antre[5], antas[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]

4 letter words

area[4], earn[4], near[4], asea[4], anas[4], ansa[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], anta[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]

3 letter words

ana[3], ane[3], nae[3], are[3], ear[3], era[3], ran[3], ern[3], aas[3], sae[3], sea[3], ens[3], sen[3], ars[3], ras[3], ers[3], res[3], ser[3], ass[3], ess[3], ate[3], eat[3], eta[3], tae[3], tea[3], ant[3], tan[3], net[3], ten[3], art[3], rat[3], tar[3], ret[3], sat[3], tas[3], set[3]

2 letter words

aa[2], ae[2], an[2], na[2], en[2], ne[2], ar[2], er[2], re[2], as[2], es[2], at[2], ta[2], et[2]