use '?' for JOKER (blank)

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

8 letter words

fairness[11], sanserif[11]

7 letter words

infares[10], fraises[10], farness[10], arsines[7]

6 letter words

fainer[9], infare[9], ferias[9], fraise[9], infers[9], frises[9], serifs[9], snarfs[9], arisen[6], arsine[6], anises[6], sanies[6], sansei[6], arises[6], raises[6], serais[6], sarsen[6], snares[6], sarins[6], resins[6], rinses[6], serins[6], sirens[6]

5 letter words

afire[8], feria[8], frena[8], infra[8], finer[8], infer[8], fanes[8], naifs[8], fines[8], neifs[8], fares[8], fears[8], safer[8], fairs[8], fiars[8], fires[8], fries[8], frise[8], reifs[8], serif[8], snarf[8], ferns[8], firns[8], safes[8], seifs[8], frass[8], serfs[8], anise[5], arise[5], raise[5], serai[5], earns[5], nares[5], nears[5], saner[5], snare[5], airns[5], naris[5], rains[5], ranis[5], sarin[5], reins[5], resin[5], rinse[5], risen[5], serin[5], siren[5], sanes[5], sensa[5], sains[5], sasin[5], sines[5], arses[5], rases[5], sears[5], arsis[5], saris[5], rises[5], sires[5]

4 letter words

fane[7], fain[7], naif[7], fine[7], neif[7], fare[7], fear[7], frae[7], fair[7], fiar[7], fire[7], reif[7], rife[7], fern[7], firn[7], safe[7], seif[7], fans[7], fens[7], fins[7], arfs[7], refs[7], serf[7], firs[7], rifs[7], fess[7], earn[4], near[4], airn[4], rain[4], rani[4], rein[4], anes[4], sane[4], ains[4], anis[4], sain[4], sine[4], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], airs[4], rais[4], rias[4], sari[4], ires[4], reis[4], rise[4], sire[4], erns[4], rins[4], seas[4], seis[4], sans[4], ness[4], sins[4], sers[4], sirs[4], sris[4]

3 letter words

fie[6], fan[6], fen[6], fin[6], arf[6], far[6], fer[6], ref[6], fir[6], rif[6], fas[6], efs[6], fes[6], ifs[6], ane[3], nae[3], ain[3], ani[3], are[3], ear[3], era[3], air[3], rai[3], ria[3], ire[3], rei[3], ran[3], ern[3], rin[3], sae[3], sea[3], ais[3], sei[3], ens[3], sen[3], ins[3], sin[3], ars[3], ras[3], ers[3], res[3], ser[3], sir[3], sri[3], ass[3], ess[3], sis[3]

2 letter words

fa[5], ae[2]