use '?' for JOKER (blank)

From letters I, M, P, A, S, S, I, V, I, T, I, E, S  I made following words

13 letter words

impassivities[20]

11 letter words

passivities[16]

9 letter words

impassive[16], passivism[16], passivist[14], pessimist[13], assistive[12], epistasis[11]

8 letter words

vampiest[15], missives[13], passives[13], pavisses[13], impasses[12], impastes[12], pastimes[12], pietisms[12], missteps[12], epitasis[10], massiest[10], misseats[10], pastises[10]

7 letter words

massive[12], mavises[12], missive[12], passive[12], pavises[12], pavisse[12], spavies[12], spaviet[12], impasse[11], impaste[11], pastime[11], pietism[11], misstep[11], missies[9], asepsis[9], aspises[9], amities[9], miseats[9], misseat[9], samites[9], tamises[9], mitises[9], stimies[9], pasties[9], patsies[9], petsais[9], tapises[9], missets[9], siestas[7], tassies[7]

6 letter words

mavies[11], pavise[11], spavie[11], passim[10], spasms[10], stamps[10], staves[9], vestas[9], vistas[9], visits[9], sepias[8], masses[8], misses[8], seisms[8], missis[8], passes[8], pisses[8], sepsis[8], speiss[8], misate[8], miseat[8], samite[8], pastie[8], petsai[8], pietas[8], pities[8], steams[8], maists[8], misset[8], smites[8], stimes[8], tmesis[8], pastes[8], spates[8], stapes[8], pastis[8], spaits[8], pistes[8], spites[8], stipes[8], isseis[6], siesta[6], tassie[6], assets[6], stases[6], tasses[6], assist[6], stasis[6]

5 letter words

vamps[12], mavie[10], mavis[10], paves[10], pavis[10], spivs[10], pimas[9], impis[9], samps[9], spams[9], spasm[9], simps[9], tempi[9], stamp[9], tamps[9], temps[9], ivies[8], saves[8], vases[8], visas[8], vises[8], vitae[8], stave[8], vesta[8], vista[8], visit[8], vasts[8], vests[8], amies[7], paise[7], sepia[7], masse[7], mesas[7], seams[7], amiss[7], simas[7], mises[7], seism[7], semis[7], apses[7], pases[7], passe[7], spaes[7], apsis[7], aspis[7], sipes[7], spies[7], pieta[7], mates[7], meats[7], satem[7], steam[7], tames[7], teams[7], maist[7], tamis[7], emits[7], items[7], metis[7], mites[7], smite[7], stime[7], times[7], mitis[7], paste[7], pates[7], peats[7], septa[7], spate[7], tapes[7], tepas[7], pitas[7], spait[7], tapis[7], piste[7], spite[7], stipe[7], tipis[7], masts[7], stems[7], mists[7], pasts[7], spats[7], pests[7], septs[7], steps[7], spits[7], issei[5], asses[5], sises[5], asset[5], easts[5], sates[5], seats[5], tasse[5], satis[5], sites[5], sties[5]

4 letter words

pima[8], impi[8], amie[6]