use '?' for JOKER (blank)

From letters N, O, N, C, E, R, E, A, L  I made following words

9 letter words

noncereal[11]

7 letter words

alencon[9], cleaner[9], reclean[9], corneal[9]

6 letter words

enlace[8], cannel[8], ancone[8], cereal[8], relace[8], careen[8], recane[8], lancer[8], crenel[8], canner[8], ocreae[8], coaler[8], oracle[8], recoal[8], creole[8], canoer[8], cornea[8], encore[8], cloner[8], cornel[8], conner[8], leaner[6], lanner[6], areole[6], loaner[6], reloan[6], ronnel[6]

5 letter words

clean[7], lance[7], nance[7], canoe[7], ocean[7], clone[7], ancon[7], canon[7], nonce[7], carle[7], clear[7], lacer[7], creel[7], caner[7], crane[7], nacre[7], rance[7], ocrea[7], carol[7], claro[7], coral[7], ceorl[7], acorn[7], narco[7], racon[7], crone[7], recon[7], anele[5], alone[5], anole[5], leone[5], laree[5], arene[5], ranee[5], learn[5], renal[5], loran[5], enrol[5], loner[5], nerol[5]

4 letter words

alec[6], lace[6], acne[6], cane[6], clan[6], calo[6], coal[6], cola[6], loca[6], cole[6], cone[6], once[6], clon[6], conn[6], acre[6], care[6], race[6], cere[6], carl[6], carn[6], narc[6], arco[6], orca[6], cero[6], core[6], corn[6], alee[4], elan[4], lane[4], lean[4], nene[4], aloe[4], olea[4], aeon[4], loan[4], enol[4], leno[4], lone[4], noel[4], anon[4], nona[4], neon[4], none[4], earl[4], lear[4], rale[4], real[4], leer[4], reel[4], earn[4], near[4], erne[4], aero[4], oral[4], lore[4], orle[4], role[4], roan[4], lorn[4]

3 letter words

ace[5], cee[5], lac[5], cel[5], can[5], oca[5], col[5], con[5], arc[5], car[5], rec[5], cor[5], orc[5], roc[5], ale[3], lea[3], eel[3], lee[3], ane[3], nae[3], nee[3], nan[3], ole[3], eon[3], one[3], are[3], ear[3], era[3], ere[3], ree[3], lar[3], ran[3], ern[3], oar[3], ora[3], ore[3], roe[3], nor[3]

2 letter words

ae[2], al[2], la[2], el[2], an[2], na[2], en[2], ne[2], oe[2], lo[2], no[2], on[2], ar[2], er[2], re[2], or[2]