use '?' for JOKER (blank)

From letters K, N, O, W, L, E, D, G, E, A, B, L, E  I made following words

13 letter words

knowledgeable[24]

9 letter words

knowledge[18], delegable[13]

8 letter words

knowable[17], weakened[16], weeklong[16], weldable[14], bellowed[14], bowelled[14], begalled[12], gabelled[12], belonged[12], lendable[11]

7 letter words

wakened[15], weekend[15], lakebed[14], blanked[14], bedgown[14], gleeked[13], belleek[13], dowable[13], boweled[13], elbowed[13], keelage[12], kleagle[12], kneeled[12], knelled[12], knolled[12], wangled[12], gowaned[12], wagoned[12], ownable[12], bondage[11], dogbane[11], allowed[11], lowland[11], labeled[10], gabelle[10], gelable[10], enabled[10], alleged[9], angeled[9], gleaned[9], allonge[8], galleon[8]

6 letter words

gawked[15], walked[14], wanked[14], beaked[13], debeak[13], balked[13], banked[13], bonked[13], weaken[13], knawel[13], awoken[13], weakon[13], geeked[12], bawled[12], blawed[12], blowed[12], bowled[12], bowleg[12], weblog[12], leaked[11], keeled[11], keened[11], ankled[11], kalong[11], gnawed[11], glowed[11], bellow[11], gowned[11], beglad[10], gabled[10], banged[10], alkene[10], bodega[10], globed[10], bandog[10], bonged[10], walled[10], welled[10], deewan[10], weaned[10], weened[10], wandle[10], wedeln[10], wangle[10], beadle[9], beagle[9], glebae[9], balled[9], bedell[9], belled[9], begall[9], beaned[9], bendee[9], blende[9], bangle[9], albedo[9], doable[9], bolled[9], global[9], debone[9], begone[9], blonde[9], belong[9], eagled[8], galled[8], gelled[8], baleen[8], enable[8], angled[8], dangle[8], lagend[8], legend[8], gaoled[8], goaled[8], dongle[8], golden[8], longed[8], ballon[8], allege[7], aneled[7], leaden[7], leaned[7], needle[7], elodea[7], loaned[7], gallon[7]

5 letter words

baked[12], kedge[11], bleak[11], blank[11], bloke[11], laked[10], gleek[10], knead[10], naked[10], kneed[10], badge[9], debag[9], akene[9], ankle[9], kneel[9], knell[9], abled[8], baled[8], blade[8], bedel[8], bleed[8], bagel[8], belga[8], gable[8], gleba[8], glebe[8], baned[8], began[8], bland[8], blend[8], abode[8], adobe[8], dobla[8], lobed[8], bogle[8], globe[8], boned[8], bogan[8], abele[7], glade[7], glede[7], gleed[7], ledge[7], label[7], belle[7], leben[7], gland[7], geode[7], lodge[7], ogled[7], beano[7], aglee[6], eagle[6], gelee[6], ladle[6], legal[6], agene[6], eland[6], laden[6], naled[6], angel[6], angle[6], glean[6], aldol[6], allod[6], anode[6], donee[6], allee[5], anele[5]