use '?' for JOKER (blank)

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

15 letter words

proprietorships[24]

14 letter words

proprietorship[23]

11 letter words

proprietors[15]

10 letter words

priorships[17], troopships[17], proprietor[14], propretors[14], isotropies[12], porosities[12], posteriors[12], sororities[10]

9 letter words

priorship[16], troopship[16], isophotes[14], prothesis[14], storeship[14], hoopsters[14], porpoises[13], oppressor[13], proposers[13], propretor[13], propositi[13], stroppier[13], opposites[13], proptoses[13], proptosis[13], strippers[13], stroppers[13], histories[12], posterior[11], isotopies[11], spiritoso[11]

8 letter words

preships[15], shippers[15], shoppers[15], hippiest[15], hoppiest[15], prophets[15], rosehips[13], isophote[13], trophies[13], hoopster[13], hipsters[13], hotpress[13], strophes[13], porpoise[12], proposer[12], opposers[12], proposes[12], prospers[12], trippier[12], opposite[12], stripper[12], trippers[12], stropper[12], soppiest[12], postpose[12], stoppers[12], ripstops[12], shirtier[11], heritors[11], hoisters[11], horsiest[11], shorties[11], orthoses[11], reshoots[11], sheroots[11], shooters[11], soothers[11], orthosis[11], priories[10], prissier[10], prioress[10], stripier[10], pierrots[10], sportier[10], troopers[10], isotopes[10], spiriest[10], prosiest[10], prosties[10], reposits[10], ripostes[10], triposes[10], stoopers[10], stripers[10], portress[10], presorts[10], sporters[10], resistor[8], roisters[8], sorriest[8], roosters[8], stirrers[8]

7 letter words

hippier[14], hoppier[14], hippies[14], preship[14], shipper[14], hoppers[14], shopper[14], shoppes[14], prophet[14], hippest[14], poppies[13], poppers[13], poppets[13], rosehip[12], hoopers[12], poorish[12], sophies[12], pishers[12], reships[12], pithier[12], ophites[12], hipster[12], pothers[12], strophe[12], thorpes[12], poshest[12], sophist[12], soppier[11], opposer[11], propose[11], rippers[11], propers[11], prosper[11], popsies[11], opposes[11], sippers[11], oppress[11], tippier[11], tripper[11], pipiest[11], potpies[11], tippers[11], stopper[11], toppers[11], ripstop[11], sippets[11], postops[11], horsier[10], horrors[10], hissier[10], hosiers[10], sherris[10], hootier[10], heritor[10], heriots[10], hoister[10], shortie[10], hooters[10], reshoot[10], sheroot[10], shooter[10], soother[10], rhetors[10], shorter[10], soothes[10], spirier[9], prosier[9], poisers[9], prossie[9], pissoir[9], pressor[9], prosers[9], pierrot[9], preriot[9], trooper[9], isotope[9], pitiers[9], tipsier[9], prostie[9], reposit[9], riposte[9], ropiest[9], poorest[9], stooper[9], striper[9], porters[9], presort[9], pretors[9], reports[9], sporter[9], torpors[9], posties[9], potsies[9], sopites[9], sorrier[7], orrises[7], roosers[7], rootier[7], sootier[7], rioters[7], roister[7], rooster[7], rooters[7], toreros[7], stirrer[7], terrors[7]