use '?' for JOKER (blank)

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

8 letter words

scamster[12]

7 letter words

screams[11], actress[9], casters[9], recasts[9], masters[9], streams[9]

6 letter words

creams[10], macers[10], scream[10], scrams[10], caress[8], carses[8], crases[8], escars[8], scares[8], seracs[8], marses[8], masers[8], smears[8], carets[8], cartes[8], caster[8], caters[8], crates[8], reacts[8], recast[8], traces[8], armets[8], master[8], maters[8], matres[8], ramets[8], stream[8], tamers[8], castes[8], cestas[8], steams[8], scarts[8], crests[8], smarts[8], assert[6], asters[6], stares[6]

5 letter words

cream[9], macer[9], acmes[9], cames[9], maces[9], crams[9], marcs[9], scram[9], mercs[9], scams[9], acres[7], cares[7], carse[7], escar[7], races[7], scare[7], serac[7], mares[7], marse[7], maser[7], reams[7], smear[7], cases[7], masse[7], mesas[7], seams[7], crass[7], scars[7], cress[7], caret[7], carte[7], cater[7], crate[7], react[7], recta[7], trace[7], armet[7], mater[7], ramet[7], tamer[7], caste[7], cates[7], cesta[7], taces[7], mates[7], meats[7], satem[7], steam[7], tames[7], teams[7], carts[7], scart[7], crest[7], marts[7], smart[7], trams[7], terms[7], casts[7], scats[7], sects[7], masts[7], stems[7], arses[5], rases[5], sears[5], aster[5], rates[5], resat[5], stare[5], tares[5], tears[5], asset[5], easts[5], sates[5], seats[5], tasse[5], stars[5], trass[5], tsars[5], rests[5], tress[5]

4 letter words

acme[8], came[8], mace[8], cram[8], marc[8], merc[8], cams[8], macs[8], scam[8], acre[6], care[6], race[6], mare[6], ream[6], aces[6], case[6], maes[6], mesa[6], same[6], seam[6], arcs[6], cars[6], scar[6], recs[6], arms[6], mars[6], rams[6], rems[6], sacs[6], cess[6], secs[6], mass[6], mess[6], cate[6], tace[6], mate[6], meat[6], meta[6], tame[6], team[6], cart[6], mart[6], tram[6], term[6], acts[6], cast[6], cats[6], scat[6], sect[6], mast[6], mats[6], tams[6], stem[6], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], seas[4], sers[4], rate[4], tare[4], tear[4], ates[4], east[4], eats[4], etas[4], sate[4], seat[4], seta[4], teas[4], arts[4], rats[4]