use '?' for JOKER (blank)

From letters J, U, R, I, S, P, R, U, D, E, N, T, S  I made following words

13 letter words

jurisprudents[23]

12 letter words

jurisprudent[22]

11 letter words

unsurprised[14]

10 letter words

surprinted[13], disrupters[13], prurituses[12]

9 letter words

surprised[12], unstriped[12], disrupter[12], upstirred[12], disputers[12], superstud[12], sprinters[11], surprints[11], intruders[10], untrussed[10]

8 letter words

junipers[17], injurers[15], sprinted[11], stipends[11], suspired[11], irrupted[11], disputer[11], stupider[11], uptrends[11], disputes[11], disrupts[11], upturned[11], ruptured[11], printers[10], reprints[10], sprinter[10], spinster[10], stripers[10], spurries[10], surprise[10], uprisers[10], pressrun[10], spurners[10], prurient[10], unripest[10], surprint[10], pursiest[10], punsters[10], spurters[10], stirrups[10], prunuses[10], pursuers[10], usurpers[10], ruptures[10], pruritus[10], pursuits[10], striders[9], insureds[9], sundries[9], intruder[9], intrudes[9], sturdier[9], diestrus[9], studiers[9], sturdies[9], unissued[9], nurtured[9], unsuited[9], unrusted[9], insurers[8], nurtures[8]

7 letter words

juniper[16], jerrids[15], injured[15], injurer[14], injures[14], jesuits[14], justers[14], jurists[14], pinders[10], prissed[10], spiders[10], printed[10], dipnets[10], stipend[10], spirted[10], striped[10], siruped[10], updries[10], spurned[10], spurred[10], upsides[10], sendups[10], suspend[10], upsends[10], prudent[10], uptrend[10], dispute[10], pundits[10], spurted[10], disrupt[10], stupids[10], pursued[10], usurped[10], snipers[9], printer[9], reprint[9], pterins[9], striper[9], insteps[9], spinets[9], esprits[9], persist[9], priests[9], spriest[9], sprites[9], stirpes[9], stripes[9], sprints[9], unriper[9], purines[9], uprisen[9], pursier[9], upriser[9], pruners[9], spurner[9], puisnes[9], supines[9], pussier[9], suspire[9], uprises[9], pursers[9], purtier[9], puniest[9], punties[9], peritus[9], punster[9], punters[9], turnips[9], spurter[9], irrupts[9], stirrup[9], unsteps[9], purists[9], upstirs[9], euripus[9], pursuer[9], usurper[9], pursues[9], rupture[9], tuneups[9], pursuit[9], turnups[9], tinders[8], stirred[8], strider[8], dissent[8], snidest[8], dissert[8], strides[8], insured[8], durries[8], niduses[8], diseurs[8], sudsier[8], sunders[8], undress[8], intrude[8], turdine[8], untired[8], untried[8], dunites[8], dustier[8], studier[8], undrest[8], studies[8], tissued[8], nudists[8], dusters[8], trussed[8], sutured[8], rinsers[7], estrins[7], inserts[7], sinters[7], insurer[7], ruiners[7], insures[7], sunrise[7], nursers[7], runtier[7], nutsier[7], triunes[7], uniters[7], rustier[7], returns[7], turners[7], suiters[7], unrests[7], trusser[7], usuries[7], usurers[7], nurture[7], untruer[7]