use '?' for JOKER (blank)

From letters S, A, L, T, W, O, R, K, S  I made following words

9 letter words

saltworks[16]

8 letter words

saltwork[15]

7 letter words

skatols[11]

6 letter words

skoals[10], kaross[10], skatol[10], korats[10], taroks[10], troaks[10], stalks[10], karsts[10], skorts[10], storks[10], torsks[10], sowars[9], trawls[9], straws[9], strows[9], worsts[9], tolars[6], assort[6], roasts[6]

5 letter words

walks[12], warks[12], works[12], kolas[9], skoal[9], larks[9], koras[9], okras[9], askos[9], soaks[9], sarks[9], korat[9], tarok[9], troak[9], stalk[9], talks[9], karst[9], karts[9], stark[9], skort[9], stork[9], torsk[9], skats[9], tasks[9], awols[8], sowar[8], slaws[8], slows[8], trawl[8], straw[8], swart[8], warts[8], strow[8], trows[8], worst[8], worts[8], swats[8], wasts[8], stows[8], swots[8], orals[5], solar[5], lasso[5], saros[5], soars[5], soras[5], tolar[5], altos[5], lotas[5], tolas[5], ratos[5], roast[5], rotas[5], sorta[5], taros[5], toras[5], rotls[5], lasts[5], salts[5], slats[5], oasts[5], stoas[5], slots[5], stars[5], trass[5], tsars[5], sorts[5]

4 letter words

walk[11], wark[11], work[11], woks[11], kola[8], lark[8], kora[8], okra[8], koas[8], oaks[8], okas[8], soak[8], arks[8], sark[8], kors[8], asks[8], skas[8], koss[8], talk[8], kart[8], kats[8], skat[8], task[8], tsks[8], alow[7], awol[7], awls[7], laws[7], slaw[7], lows[7], owls[7], slow[7], raws[7], wars[7], rows[7], saws[7], sows[7], wart[7], trow[7], wort[7], staw[7], swat[7], taws[7], twas[7], wast[7], wats[7], stow[7], swot[7], tows[7], twos[7], wost[7], wots[7], oral[4], also[4], sola[4], lars[4], oars[4], osar[4], soar[4], sora[4], lass[4], sals[4], ossa[4], loss[4], sols[4], alto[4], lota[4], tola[4], rato[4], rota[4], taro[4], tora[4], rotl[4], alts[4], last[4], lats[4], salt[4], slat[4], oast[4], oats[4], stoa[4], taos[4], lost[4], lots[4], slot[4], arts[4], rats[4], star[4], tars[4], tsar[4], orts[4], rots[4], sort[4], tors[4], tass[4], sots[4], toss[4]

3 letter words

koa[7], oak[7], oka[7], ark[7], kor[7], ask[7], kas[7], ska[7], lar[3], oar[3], ora[3], als[3], las[3], sal[3]