use '?' for JOKER (blank)

From letters Y, A, R, D, M, A, S, T, E, R  I made following words

10 letter words

yardmaster[16]

8 letter words

daymares[14], yardarms[14], martyred[14]

7 letter words

daymare[13], yardarm[13], mastery[12], streamy[12], martyrs[12], arrayed[11], daresay[11], yarders[11], daystar[11], strayed[11], smarted[10], strayer[10], armrest[9], smarter[9], arrased[8], darters[8], retards[8], starred[8], traders[8], erratas[7]

6 letter words

dreamy[12], smeary[11], martyr[11], mateys[11], mayest[11], steamy[11], smarty[11], dreary[10], yarder[10], derays[10], dryers[10], datary[10], stayed[10], steady[10], dryest[10], marred[9], damars[9], dramas[9], madras[9], dermas[9], dreams[9], madres[9], dreamt[9], marted[9], demast[9], masted[9], arrays[9], artery[9], astray[9], estray[9], stayer[9], yarest[9], starry[9], arames[8], armers[8], rearms[8], ramate[8], armets[8], master[8], maters[8], matres[8], ramets[8], stream[8], tamers[8], radars[7], sardar[7], darers[7], drears[7], darter[7], retard[7], tarred[7], trader[7], daters[7], derats[7], stared[7], trades[7], treads[7], errata[6], reatas[6], arrest[6], rarest[6], raster[6], raters[6], starer[6], tarres[6], terras[6]

5 letter words

mayed[11], emyds[11], marry[10], merry[10], mayas[10], seamy[10], etyma[10], matey[10], meaty[10], tryma[10], deary[9], deray[9], rayed[9], ready[9], derry[9], dryer[9], redry[9], sayed[9], drays[9], yards[9], dyers[9], adyta[9], tardy[9], tyred[9], damar[8], drama[8], armed[8], derma[8], dream[8], madre[8], dames[8], meads[8], drams[8], derms[8], mated[8], tamed[8], array[8], yarer[8], rayas[8], eyras[8], resay[8], sayer[8], years[8], serry[8], teary[8], tarry[8], retry[8], terry[8], arame[7], armer[7], rearm[7], maars[7], maras[7], mares[7], marse[7], maser[7], reams[7], smear[7], armet[7], mater[7], ramet[7], tamer[7], atmas[7], mates[7], meats[7], satem[7], steam[7], tames[7], teams[7], marts[7], smart[7], trams[7], terms[7], radar[6], darer[6], drear[6], rared[6], dares[6], dears[6], rased[6], reads[6], dater[6], derat[6], rated[6], tared[6], trade[6], tread[6], dates[6], sated[6], stade[6], stead[6], tsade[6], darts[6], drats[6], drest[6], areas[5], arras[5], rares[5], raser[5], rears[5], reata[5], rater[5], tarre[5], terra[5], aster[5], rates[5], resat[5], stare[5], tares[5], tears[5]