use '?' for JOKER (blank)

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

8 letter words

scenario[10]

7 letter words

acinose[9], arcsine[9], arsenic[9], carnies[9], scoriae[9], canoers[9], coarsen[9], corneas[9], narcose[9], coiners[9], cronies[9], orceins[9], recoins[9], erasion[7]

6 letter words

aeonic[8], carnie[8], canoer[8], cornea[8], coiner[8], orcein[8], recoin[8], casein[8], incase[8], canoes[8], oceans[8], casino[8], conies[8], cosine[8], icones[8], oscine[8], caries[8], cerias[8], ericas[8], caners[8], casern[8], cranes[8], nacres[8], rances[8], cairns[8], coarse[8], scoria[8], cosier[8], acorns[8], narcos[8], racons[8], censor[8], crones[8], recons[8], orcins[8], arisen[6], arsine[6], ariose[6], arseno[6], reason[6], senora[6], arsino[6], norias[6], irones[6], nosier[6], senior[6]

5 letter words

canoe[7], ocean[7], areic[7], ceria[7], erica[7], caner[7], crane[7], nacre[7], rance[7], cairn[7], naric[7], nicer[7], ocrea[7], coria[7], acorn[7], narco[7], racon[7], crone[7], recon[7], orcin[7], saice[7], acnes[7], canes[7], scena[7], cains[7], cines[7], since[7], cosie[7], canso[7], cones[7], scone[7], cions[7], coins[7], icons[7], scion[7], sonic[7], acres[7], cares[7], carse[7], escar[7], races[7], scare[7], serac[7], cires[7], cries[7], rices[7], carns[7], narcs[7], orcas[7], ceros[7], cores[7], corse[7], score[7], coirs[7], corns[7], scorn[7], noria[5], irone[5], anise[5], aeons[5], eosin[5], noise[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], arose[5], osier[5], arson[5], roans[5], sonar[5], senor[5], snore[5], irons[5], noirs[5], noris[5], ornis[5], rosin[5]

4 letter words

acne[6], cane[6], cain[6], cine[6], nice[6], ciao[6], cone[6], once[6], cion[6], coin[6], coni[6], icon[6], acre[6], care[6], race[6], cire[6], rice[6], carn[6], narc[6], arco[6], orca[6], cero[6], core[6], coir[6], corn[6], aces[6], case[6], asci[6], ices[6], sice[6], cans[6], scan[6], aeon[4], naoi[4], earn[4], near[4], airn[4], rain[4], rani[4], rein[4], aero[4], roan[4], inro[4], iron[4], noir[4], nori[4]