use '?' for JOKER (blank)

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

10 letter words

xerophytes[25]

9 letter words

xerophyte[24], exstrophy[24]

8 letter words

serotype[13]

7 letter words

pyrexes[19], exhorts[17], exposer[16], experts[16], exports[16], phoresy[15], prythee[15], typhose[15], eyeshot[13], heptose[12], threeps[12], pothers[12], strophe[12], thorpes[12], eyespot[12], peyotes[12], retypes[12], heteros[10]

6 letter words

ethoxy[19], peroxy[18], hexose[16], hexers[16], exhort[16], oxeyes[16], oryxes[16], xyster[16], expose[15], prexes[15], expert[15], export[15], sexpot[15], hypers[14], sphery[14], sypher[14], trophy[14], exerts[13], exsert[13], oxters[13], heresy[12], horsey[12], theory[12], thyrse[12], shorty[12], herpes[11], sphere[11], ephors[11], hopers[11], posher[11], threep[11], pother[11], thorpe[11], tophes[11], thorps[11], osprey[11], peyote[11], retype[11], poetry[11], tepoys[11], sporty[11], heroes[9], reshoe[9], hereto[9], hetero[9], ethers[9], theres[9], threes[9], horste[9], others[9], reshot[9], throes[9], yester[9], oyster[9], storey[9], toyers[9], repose[8], topees[8], pester[8], peters[8], preset[8], poster[8], presto[8], repots[8], respot[8], stoper[8], topers[8], tropes[8], stereo[6]

5 letter words

hexer[15], hexes[15], expos[14], poxes[14], hyper[13], hypes[13], hypos[13], sophy[13], rexes[12], exert[12], oxter[12], sexto[12], hosey[11], shyer[11], horsy[11], ephor[10], hoper[10], sheep[10], hopes[10], tophe[10], thorp[10], thesp[10], phots[10], tophs[10], peery[10], ropey[10], seepy[10], poesy[10], sepoy[10], preys[10], pyres[10], prosy[10], pyros[10], tepoy[10], pesty[10], types[10], potsy[10], typos[10], heres[8], sheer[8], heros[8], hoers[8], horse[8], hoser[8], shoer[8], shore[8], ether[8], there[8], three[8], other[8], throe[8], sheet[8], these[8], ethos[8], shote[8], those[8], horst[8], short[8], eyers[8], eyres[8], oyers[8], yores[8], toyer[8], tyees[8], treys[8], tyers[8], peers[7], peres[7], perse[7], prees[7], prese[7], speer[7], spree[7], pores[7], poser[7], prose[7], repos[7], ropes[7], spore[7], topee[7], peter[7], repot[7], toper[7], trope[7], steep[7], estop[7], pesto[7], poets[7], stope[7], topes[7], prest[7], strep[7], ports[7], prost[7], sport[7], strop[7], erose[5], ester[5], reest[5], reset[5], steer[5], stere[5], terse[5], trees[5], roset[5], rotes[5], store[5], tores[5], torse[5]