use '?' for JOKER (blank)

From letters S, A, P, I, E, N, C, E  I made following words

8 letter words

sapience[12]

7 letter words

inscape[11]

6 letter words

apiece[10], apneic[10], escape[10], peaces[10], apices[10], spicae[10], pieces[10], specie[10], pecans[10], spence[10], panics[10], encase[8], seance[8], seneca[8], casein[8], incase[8], nieces[8], peasen[8]

5 letter words

peace[9], piece[9], pecan[9], pence[9], panic[9], capes[9], paces[9], scape[9], space[9], cepes[9], aspic[9], picas[9], spica[9], epics[9], sepic[9], spice[9], niece[7], cease[7], saice[7], acnes[7], canes[7], scena[7], cense[7], scene[7], cains[7], cines[7], since[7], pease[7], paise[7], sepia[7], peise[7], aspen[7], napes[7], neaps[7], panes[7], peans[7], sneap[7], spean[7], neeps[7], peens[7], penes[7], nipas[7], pains[7], pians[7], pinas[7], peins[7], penis[7], pines[7], snipe[7], spine[7], anise[5], seine[5]

4 letter words

cape[8], pace[8], cepe[8], pica[8], epic[8], pice[8], caps[8], pacs[8], ceps[8], pecs[8], spec[8], pics[8], spic[8], acne[6], cane[6], cain[6], cine[6], nice[6], nape[6], neap[6], pane[6], pean[6], neep[6], peen[6], nipa[6], pain[6], pian[6], pina[6], pein[6], pine[6], aces[6], case[6], cees[6], asci[6], ices[6], sice[6], cans[6], scan[6], apes[6], apse[6], pase[6], peas[6], spae[6], pees[6], seep[6], pias[6], pies[6], sipe[6], naps[6], pans[6], snap[6], span[6], pens[6], nips[6], pins[6], snip[6], spin[6], ease[4], anes[4], sane[4], esne[4], seen[4], sene[4], ains[4], anis[4], sain[4], sine[4]

3 letter words

cap[7], pac[7], cep[7], pec[7], pic[7], ace[5], cee[5], ice[5], can[5], ape[5], pea[5], pee[5], pia[5], pie[5], nap[5], pan[5], pen[5], nip[5], pin[5], sac[5], sec[5], cis[5], sic[5], asp[5], pas[5], sap[5], spa[5], pes[5], pis[5], psi[5], sip[5], ane[3], nae[3], nee[3], ain[3], ani[3], sae[3], sea[3], see[3], ais[3], sei[3], ens[3], sen[3], ins[3], sin[3]

2 letter words

pa[4], pe[4], pi[4], ae[2], ai[2], an[2], na[2], en[2], ne[2], in[2], as[2], es[2], is[2], si[2]