use '?' for JOKER (blank)

From letters S, A, N, C, T, I, O, N  I made following words

8 letter words

actinons[10], canonist[10], contains[10], sanction[10], sonantic[10]

7 letter words

actinon[9], contain[9], incants[9], stannic[9], actions[9], atonics[9], cations[9], cantons[9], anoints[7], nations[7], onanist[7]

6 letter words

casino[8], canons[8], conins[8], incant[8], tannic[8], action[8], atonic[8], cation[8], cannot[8], canton[8], actins[8], antics[8], nastic[8], coatis[8], scotia[8], cantos[8], cotans[8], octans[8], tocsin[8], tonics[8], anions[6], nasion[6], anoint[6], nation[6], sonant[6], nitons[6]

5 letter words

ancon[7], canon[7], conin[7], cains[7], canso[7], cions[7], coins[7], icons[7], scion[7], sonic[7], conns[7], actin[7], antic[7], coati[7], canto[7], cotan[7], octan[7], ontic[7], tonic[7], canst[7], cants[7], scant[7], ascot[7], coast[7], coats[7], costa[7], tacos[7], stoic[7], anion[5], nonas[5], niton[5], antis[5], saint[5], satin[5], stain[5], tains[5], iotas[5], ostia[5], stoai[5], santo[5]

4 letter words

cain[6], ciao[6], cion[6], coin[6], coni[6], icon[6], conn[6], asci[6], cans[6], scan[6], ocas[6], soca[6], cons[6], cant[6], coat[6], taco[6], otic[6], acts[6], cast[6], cats[6], scat[6], cist[6], tics[6], cost[6], cots[6], scot[6], naoi[4], anon[4], nona[4], ains[4], anis[4], sain[4], nans[4], inns[4], naos[4], ions[4], anti[4], tain[4], iota[4], nota[4], into[4], aits[4], sati[4], ants[4], tans[4], nits[4], snit[4], tins[4], oast[4], oats[4], stoa[4], taos[4], snot[4], tons[4]

3 letter words

can[5], oca[5], con[5], sac[5], cis[5], sic[5], cos[5], act[5], cat[5], tic[5], cot[5], ain[3], ani[3], nan[3], inn[3], ion[3], ais[3], ins[3], sin[3], nos[3], ons[3], son[3], ait[3], ant[3], tan[3], nit[3], tin[3], oat[3], tao[3], not[3], ton[3], sat[3], tas[3], its[3], sit[3], tis[3], sot[3]

2 letter words

ai[2], an[2], na[2], in[2], oi[2], no[2], on[2], as[2], is[2], si[2], os[2], so[2], at[2], ta[2], it[2], ti[2], to[2]