use '?' for JOKER (blank)

From letters I, N, D, U, L, G, E, N, T  I made following words

9 letter words

indulgent[11]

8 letter words

untinged[10], glutenin[9]

7 letter words

lending[9], glinted[9], tingled[9], denting[9], tending[9], dueling[9], eluding[9], indulge[9], enduing[9], dueting[9], dunting[9], unlined[8], diluent[8], eluting[8], dunnite[8], lunting[8]

6 letter words

dingle[8], engild[8], ending[8], ginned[8], nidget[8], tinged[8], guiled[8], gulden[8], lunged[8], gunned[8], linden[7], dentil[7], linted[7], gentil[7], tingle[7], dentin[7], indent[7], intend[7], tinned[7], undine[7], gunnel[7], dunlin[7], dilute[7], glutei[7], dunite[7], united[7], untied[7], gunite[7], lunted[7], englut[7], gluten[7], indult[7], luting[7], tunned[7], tuning[7], linnet[6], lutein[6], tunnel[6]

5 letter words

gelid[7], glide[7], deign[7], dinge[7], guide[7], glued[7], luged[7], guild[7], nudge[7], lined[6], ingle[6], inned[6], tilde[6], tiled[6], legit[6], teind[6], tined[6], tinge[6], glint[6], guile[6], indue[6], nudie[6], unled[6], lunge[6], lungi[6], luted[6], glute[6], guilt[6], tendu[6], tuned[6], linen[5], elint[5], inlet[5], ennui[5], utile[5], unite[5], untie[5], lunet[5], unlet[5], unlit[5], until[5]

4 letter words

gied[6], geld[6], gled[6], gild[6], ding[6], gude[6], guid[6], dung[6], deil[5], deli[5], diel[5], idle[5], lied[5], deni[5], dine[5], nide[5], gien[5], lend[5], glen[5], ling[5], diet[5], dite[5], edit[5], tide[5], tied[5], gite[5], delt[5], gelt[5], gilt[5], dent[5], tend[5], gent[5], dint[5], ting[5], duel[5], leud[5], lude[5], glue[5], luge[5], iglu[5], dune[5], nude[5], unde[5], genu[5], lung[5], duet[5], duit[5], glut[5], dunt[5], tung[5], lien[4], line[4], nine[4], linn[4], lite[4], tile[4], nite[4], tine[4], lent[4], lint[4], lieu[4], lune[4], etui[4], lute[4], tule[4], litu[4], tune[4], unit[4], lunt[4]

3 letter words

ged[5], dig[5], gid[5], die[4], gie[4], del[4], eld[4], led[4], gel[4], leg[4], lid[4], den[4], end[4], eng[4], gen[4], neg[4], din[4], gin[4], ted[4], get[4], teg[4], dit[4], git[4], lei[3], lie[3], lin[3], nil[3], inn[3], tie[3], let[3], tel[3], lit[3], til[3]