use '?' for JOKER (blank)

From letters Y, E, L, L, O, W, H, A, M, M, E, R, S  I made following words

13 letter words

yellowhammers[26]

12 letter words

yellowhammer[25]

10 letter words

wholesaler[16]

9 letter words

wholemeal[17], awesomely[17], mealworms[16], wholesale[15], hallowers[15], shallower[15]

8 letter words

mealworm[15], wommeras[15], myelomas[15], hallower[14], hoarsely[14], yellower[14], walleyes[14], weaselly[14], rollways[14], armholes[13], mellower[13], eelworms[13], ramosely[13], sallower[11], slalomer[10], morelles[10]

7 letter words

haymows[18], mayhems[17], eyewash[16], showery[16], someway[15], hammers[14], shammer[14], hemmers[14], wommera[14], myeloma[14], mameyes[14], malmsey[14], yammers[14], hallows[13], shallow[13], whereas[13], whalers[13], welsher[13], howlers[13], hellery[13], eyelash[13], sheerly[13], walleye[13], rollway[13], leeways[13], weasely[13], sallowy[13], yellows[13], lawyers[13], yowlers[13], armhole[12], mollahs[12], hareems[12], eelworm[12], awesome[12], mallows[12], mellows[12], mewlers[12], womeras[12], morally[12], mesally[12], amylose[12], slammer[11], halloes[10], helloes[10], healers[10], hellers[10], sheller[10], shoaler[10], hollers[10], sweller[10], loyaler[10], sealery[10], rallyes[10], yellers[10], erosely[10], morelle[9], mallees[9], smaller[9], smeller[9], morales[9], areoles[7], roselle[7]

6 letter words

whammo[16], mayhem[16], whelms[14], homely[14], hammer[13], hemmer[13], yammer[13], memory[13], hallow[12], whaler[12], howler[12], whales[12], wheals[12], wheels[12], wholes[12], hawser[12], rewash[12], washer[12], hewers[12], shewer[12], wheres[12], reshow[12], shower[12], whores[12], whorls[12], shaley[12], shelly[12], mollah[11], hareem[11], hermae[11], almehs[11], mahoes[11], shalom[11], mohels[11], harems[11], masher[11], shmear[11], rehems[11], rhemes[11], homers[11], mosher[11], mallow[11], mellow[11], mewler[11], womera[11], mowers[11], lamely[11], merely[11], measly[11], seemly[11], smelly[11], lemmas[10], emmers[10], momser[10], healer[9], heller[9], holler[9], haloes[9], haoles[9], hallos[9], hollas[9], hellos[9], haeres[9], hearse[9], ashler[9], halers[9], lasher[9], ahorse[9], ashore[9], hoarse[9], heroes[9], reshoe[9], weasel[9], allows[9], sallow[9], walers[9], warsle[9], lowers[9], rowels[9], slower[9], rallye[9], really[9], yeller[9], orally[9], alleys[9], mallee[8], morale[8], measle[8], amoles[8], slalom[8], ameers[8], ramees[8], seamer[8], realms[8], merles[8], ramose[8], molars[8], morals[8], morels[8], morsel[8], areole[6], loreal[6], allees[6], larees[6], leaser[6], reales[6], resale[6], reseal[6], sealer[6], resell[6], seller[6], resole[6]