use '?' for JOKER (blank)

From letters X, E, R, O, D, E, R, M, A  I made following words

9 letter words

xeroderma[19]

7 letter words

exoderm[17], dreamer[10], rearmed[10], redream[10], armored[10]

6 letter words

exedra[14], oedema[9], reamed[9], remade[9], radome[9], roamed[9], emerod[9], marred[9], ramrod[9], dormer[9], reamer[8], remora[8], roamer[8], dearer[7], reader[7], reared[7], redear[7], reread[7], adorer[7], roared[7]

5 letter words

maxed[15], remex[14], raxed[13], redox[13], adeem[8], edema[8], armed[8], derma[8], dream[8], madre[8], merde[8], ameer[7], ramee[7], morae[7], armer[7], rearm[7], merer[7], armor[7], ormer[7], eared[6], adore[6], oared[6], oread[6], erode[6], darer[6], drear[6], rared[6], erred[6], ardor[6], order[6]

4 letter words

exam[13], moxa[13], axed[12], exed[12], dame[7], made[7], mead[7], deem[7], deme[7], meed[7], demo[7], dome[7], mode[7], dram[7], derm[7], dorm[7], mare[6], ream[6], mere[6], mora[6], roam[6], more[6], omer[6], odea[5], dare[5], dear[5], read[5], deer[5], dere[5], dree[5], rede[5], reed[5], orad[5], road[5], doer[5], dore[5], redo[5], rode[5], dorr[5], aero[4], rare[4], rear[4], orra[4], roar[4]

3 letter words

max[12], dex[11], axe[10], rax[10], rex[10], dam[6], mad[6], med[6], dom[6], mod[6], mae[5], eme[5], moa[5], arm[5], mar[5], ram[5], rem[5], mor[5], rom[5], dee[4], ado[4], oda[4], doe[4], ode[4], rad[4], red[4], dor[4], rod[4], are[3], ear[3], era[3], ere[3], ree[3], oar[3], ora[3], ore[3], roe[3], err[3]

2 letter words

ax[9], ex[9], ox[9], am[4], ma[4], em[4], me[4], mo[4], om[4], ad[3], de[3], ed[3], do[3], od[3], ae[2], oe[2], ar[2], er[2], re[2], or[2]