use '?' for JOKER (blank)

From letters S, C, E, P, T, R, E, D  I made following words

8 letter words

sceptred[13]

7 letter words

recepts[11], respect[11], scepter[11], sceptre[11], specter[11], spectre[11], crested[10]

6 letter words

creped[11], creeps[10], crepes[10], recept[10], ceders[9], creeds[9], screed[9], certes[8], erects[8], resect[8], secret[8], terces[8], pester[8], peters[8], preset[8], desert[7], deters[7], rested[7]

5 letter words

creep[9], crepe[9], cepes[9], crept[9], ceder[8], cered[8], creed[8], preed[8], cedes[8], deeps[8], pedes[8], speed[8], creds[8], ceres[7], scree[7], peers[7], peres[7], perse[7], prees[7], prese[7], speer[7], spree[7], erect[7], terce[7], peter[7], cetes[7], steep[7], crest[7], prest[7], strep[7], deers[6], drees[6], redes[6], reeds[6], seder[6], sered[6], deter[6], treed[6], deets[6], steed[6], drest[6], ester[5], reest[5], reset[5], steer[5], stere[5], terse[5], trees[5]

4 letter words

cepe[8], ceps[8], pecs[8], spec[8], cede[7], deep[7], peed[7], cred[7], peds[7], sped[7], cere[6], peer[6], pere[6], pree[6], cees[6], pees[6], seep[6], recs[6], reps[6], cete[6], pert[6], sect[6], pest[6], pets[6], sept[6], step[6], deer[5], dere[5], dree[5], rede[5], reed[5], dees[5], seed[5], reds[5], deet[5], teed[5], teds[5], rees[4], seer[4], sere[4], rete[4], tree[4], tees[4], erst[4], rest[4], rets[4], tres[4]

3 letter words

cep[7], pec[7], ped[6], cee[5], pee[5], rec[5], per[5], rep[5], sec[5], pes[5], pet[5], pst[5], dee[4], red[4], eds[4], ted[4], ere[3], ree[3], see[3], ers[3], res[3], ser[3], tee[3], ret[3], set[3]

2 letter words

pe[4], de[3], ed[3], er[2], re[2], es[2], et[2]