use '?' for JOKER (blank)

From letters D, E, C, R, O, W, N, E, D  I made following words

9 letter words

decrowned[16]

8 letter words

wondered[13]

7 letter words

crowded[14], cowered[13], crowned[13], decrown[13], endowed[12], dowered[12], drowned[12], encoded[11], decoder[11], recoded[11], endower[11], reendow[11], encoder[10], encored[10]

6 letter words

crewed[12], crowed[12], wended[11], downed[11], wedder[11], worded[11], drownd[11], decode[10], codder[10], corded[10], downer[10], wonder[10], encode[9], decern[9], recode[9], corned[9], erenow[9], redden[8], rended[8], eroded[8], droned[8], nodder[8], encore[8], redone[7]

5 letter words

cowed[11], crowd[11], dewed[10], dowed[10], cower[10], crown[10], ceded[9], coded[9], endow[9], owned[9], rewed[9], dower[9], rowed[9], drown[9], coden[8], coned[8], ceder[8], cered[8], creed[8], coder[8], cored[8], credo[8], decor[8], newer[8], renew[8], owner[8], rewon[8], rowen[8], ended[7], dreed[7], reded[7], odder[7], crone[7], recon[7], donee[6], ender[6], erode[6], drone[6], redon[6]

4 letter words

crew[9], crow[9], weed[8], wend[8], owed[8], down[8], drew[8], word[8], cede[7], code[7], coed[7], deco[7], cred[7], cord[7], ween[7], enow[7], ewer[7], weer[7], were[7], wren[7], wore[7], worn[7], deed[6], eddo[6], cone[6], once[6], redd[6], cere[6], cero[6], core[6], corn[6], dene[5], need[5], done[5], node[5], deer[5], dere[5], dree[5], rede[5], reed[5], nerd[5], rend[5], doer[5], dore[5], redo[5], rode[5], erne[4]

3 letter words

cow[8], dew[7], wed[7], dow[7], cod[6], doc[6], ewe[6], wee[6], new[6], wen[6], owe[6], woe[6], now[6], own[6], won[6], row[6], cee[5], odd[5], con[5], rec[5], cor[5], orc[5], roc[5], dee[4], den[4], end[4], doe[4], ode[4], don[4], nod[4], red[4], dor[4], rod[4], nee[3], eon[3], one[3], ere[3], ree[3], ern[3], ore[3], roe[3], nor[3]

2 letter words

we[5], ow[5], wo[5], de[3], ed[3], do[3], od[3], en[2], ne[2], oe[2], no[2], on[2], er[2], re[2], or[2]