use '?' for JOKER (blank)

From letters Y, T, T, E, R, B, I, U, M, S  I made following words

10 letter words

ytterbiums[17]

9 letter words

ytterbium[16], submitter[13]

8 letter words

yttriums[13], imbrutes[12], resubmit[12], terbiums[12], tributes[10], smuttier[10]

7 letter words

timbery[14], buttery[12], yttrium[12], timbers[11], timbres[11], erbiums[11], imbrues[11], imbrute[11], terbium[11], subitem[11], brutism[11], bitters[9], metrist[9], bustier[9], rubiest[9], mustier[9], tribute[9], butties[9], butters[9], turbits[9], mutters[9]

6 letter words

misery[11], stymie[11], buyers[11], rebuys[11], ubiety[11], smutty[11], timber[10], timbre[10], bemist[10], erbium[10], imbrue[10], imbues[10], brumes[10], umbers[10], besmut[10], submit[10], tryste[9], surety[9], tuyers[9], trusty[9], bestir[8], bister[8], bistre[8], biters[8], tribes[8], merits[8], mister[8], miters[8], mitres[8], remits[8], smiter[8], timers[8], bitter[8], britts[8], bruise[8], buries[8], busier[8], rubies[8], iterum[8], brutes[8], burets[8], buster[8], rebuts[8], tubers[8], bruits[8], estrum[8], muster[8], truism[8], butter[8], turbit[8], mutter[8], buttes[8], tubist[8], mutest[8], sitter[6], tetris[6], titers[6], titres[6], triste[6], suiter[6], truest[6], utters[6]

5 letter words

byres[10], bytes[10], bitsy[10], misty[10], stimy[10], bitty[10], buyer[10], rebuy[10], busty[10], musty[10], butty[10], berms[9], brims[9], imbue[9], brume[9], umber[9], sebum[9], yetis[8], treys[8], tyers[8], tyres[8], testy[8], yetts[8], tryst[8], tuyer[8], suety[8], rusty[8], yurts[8], rutty[8], biers[7], birse[7], bries[7], ribes[7], emirs[7], mires[7], miser[7], rimes[7], biter[7], tribe[7], merit[7], miter[7], mitre[7], remit[7], timer[7], bites[7], emits[7], items[7], metis[7], mites[7], smite[7], stime[7], times[7], brits[7], terms[7], trims[7], britt[7], bitts[7], mitts[7], burse[7], rebus[7], rubes[7], suber[7], mures[7], muser[7], serum[7], brute[7], buret[7], rebut[7], tuber[7], bruit[7], muter[7], butes[7], tubes[7], mutes[7], bruts[7], burst[7], strum[7], butte[7], butts[7], mutts[7], resit[5], rites[5], tiers[5], tires[5], tries[5], tetri[5], titer[5], titre[5], trite[5], trets[5], sieur[5], uteri[5], etuis[5], suite[5], trues[5], utter[5], strut[5], sturt[5], trust[5]

4 letter words

berm[8], brim[8], mibs[8], bier[6], brie[6], emir[6], mire[6], rime[6], bise[6]