use '?' for JOKER (blank)

From letters X, E, R, O, P, H, Y, T, I, S, M, S  I made following words

12 letter words

xerophytisms[29]

11 letter words

xerophytism[28]

10 letter words

hemoptysis[20]

9 letter words

exstrophy[24], sophistry[17], isotherms[14], prothesis[14], storeship[14], imposters[13]

8 letter words

oximetry[20], exotisms[17], exposits[17], smithery[16], smothery[16], phimoses[15], orphisms[15], mistypes[15], isohyets[14], heroisms[13], rosehips[13], isotherm[13], trophies[13], smithers[13], smothers[13], rimshots[13], hipsters[13], hotpress[13], strophes[13], isometry[13], isotypes[13], imposers[12], promises[12], semipros[12], imposter[12], imprests[12], stompers[12], tropisms[12], hoisters[11], horsiest[11], shorties[11], serosity[11], erotisms[10], mortises[10], trisomes[10], prosiest[10], prosties[10], reposits[10], ripostes[10], triposes[10]

7 letter words

methoxy[22], premixt[18], exhorts[17], shrimpy[17], xysters[17], proxies[16], exotism[16], exposit[16], poxiest[16], exports[16], sexpots[16], phoresy[15], syphers[15], mythier[15], thymier[15], mothery[15], typhose[15], orphism[14], rompish[14], sophism[14], shrimps[14], xerosis[14], myopies[14], mistype[14], hosiery[13], isohyet[13], history[13], shyster[13], thyrses[13], heroism[12], rosehip[12], sophies[12], moshers[12], pishers[12], reships[12], mothier[12], homiest[12], ophites[12], hermits[12], mithers[12], mothers[12], smother[12], thermos[12], rimshot[12], hipster[12], pothers[12], strophe[12], thorpes[12], theisms[12], poshest[12], sophist[12], ospreys[12], pyrosis[12], isotype[12], trisomy[12], pyrites[12], stymies[12], spryest[12], imposer[11], promise[11], semipro[11], imposes[11], impress[11], premiss[11], simpers[11], spirems[11], porisms[11], mopiest[11], optimes[11], imprest[11], permits[11], stomper[11], trompes[11], imports[11], tropism[11], misstep[11], imposts[11], misstop[11], hosiers[10], heriots[10], hoister[10], shortie[10], horstes[10], oysters[10], storeys[10], isomers[9], mossier[9], poisers[9], prossie[9], erotism[9], moister[9], mortise[9], trisome[9], prostie[9], reposit[9], riposte[9], ropiest[9], mitoses[9], somites[9], posties[9], potsies[9], sopites[9], misters[9], smiters[9], missort[9], esprits[9], persist[9], priests[9], spriest[9], sprites[9], stirpes[9], stripes[9], posters[9], prestos[9], respots[9], stopers[9], riposts[9], rosiest[7], sorites[7], sorties[7], stories[7], trioses[7]

6 letter words

mopish[13], shrimp[13], morphs[13], homier[11], ephori[11], homies[11], homers[11], mosher[11], perish[11], pisher[11], reship[11], ephors[11], hopers[11], posher[11], mopier[10], impose[10], primes[10], simper[10], spirem[10], mopers[10], proems[10], porism[10], primos[10], hosier[9], hoises[9], isomer[8], moires[8], rimose[8], poiser[8]