use '?' for JOKER (blank)

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

13 letter words

yellowthroats[22]

12 letter words

yellowthroat[21]

10 letter words

hollowares[16]

9 letter words

seaworthy[18], holloware[15], hallowers[15], shallower[15], hollowest[15], stalworth[15], waterloos[12], allostery[12], allotters[9]

8 letter words

thwartly[17], hallower[14], hollower[14], woolhats[14], whortles[14], sawtooth[14], hoarsely[14], tallyhos[14], hostelry[14], stealthy[14], rollways[14], tollways[14], trawleys[14], loathers[11], ratholes[11], rheostat[11], throstle[11], sallower[11], waterloo[11], wastelot[11], saltwort[11], loyalest[11], trolleys[11], latterly[11], reallots[8], rostella[8], allotter[8], retotals[8], rootlets[8], tootlers[8]

7 letter words

showery[16], wealthy[16], wreathy[16], swarthy[16], hallows[13], shallow[13], hollows[13], whalers[13], howlers[13], woolhat[13], whortle[13], wealths[13], howlets[13], swather[13], thawers[13], wreaths[13], thwarts[13], trowths[13], hoorays[13], loathly[13], tallyho[13], earthly[13], lathery[13], helotry[13], soothly[13], shortly[13], throaty[13], rollway[13], sallowy[13], yellows[13], lawyers[13], yowlers[13], tallowy[13], tollway[13], trawley[13], wastery[13], sweltry[13], halloes[10], halloos[10], holloas[10], holloes[10], shoaler[10], hollers[10], loather[10], rathole[10], lethals[10], loathes[10], shallot[10], halters[10], harslet[10], lathers[10], slather[10], thalers[10], thralls[10], earshot[10], harlots[10], holster[10], hostler[10], hooters[10], reshoot[10], sheroot[10], shooter[10], soother[10], stealth[10], hatters[10], shatter[10], threats[10], throats[10], woolers[10], wallets[10], tallows[10], warstle[10], wastrel[10], wrastle[10], trowels[10], wattles[10], swatter[10], swotter[10], loyaler[10], loosely[10], rallyes[10], alertly[10], retally[10], trolley[10], stalely[10], totally[10], lottery[10], stately[10], stylate[10], yatters[10], tetryls[10], trotyls[10], aerosol[7], roseola[7], reallot[7], latosol[7], stellar[7], olestra[7], tollers[7], looters[7], retools[7], rootles[7], toolers[7], retotal[7], rootlet[7], tootler[7], tallest[7], tootles[7], rattles[7], starlet[7], startle[7], rotates[7], toaster[7], lotters[7], settlor[7], slotter[7], tooters[7]

6 letter words

halloo[9], holloa[9], holler[9], haloes[9], haoles[9], hallos[9], hollas[9], hellos[9], hollos[9], ashler[9], halers[9], lasher[9], ahorse[9], ashore[9], hoarse[9], lethal[9], loathe[9], hallot[9], halter[9], lather[9], thaler[9], thrall[9], harlot[9], hooter[9], halest[9], haslet[9], lathes[9], shelta[9], lotahs[9], loreal[6], looser[6], taller[6], toller[6], looter[6], retool[6], rootle[6], tooler[6], sallet[6], stella[6], osteal[6], solate[6]