use '?' for JOKER (blank)

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

8 letter words

becrusts[12]

7 letter words

becrust[11], becurst[11], subsect[11], busters[9], crusets[9]

6 letter words

cubers[10], scrubs[10], crests[8], burses[8], subers[8], cruses[8], curses[8], cusser[8], sucres[8], brutes[8], burets[8], buster[8], rebuts[8], tubers[8], cruets[8], cruset[8], curets[8], eructs[8], rectus[8], recuts[8], truces[8], subset[8], cestus[8], scutes[8], bursts[8], crusts[8], estrus[6], russet[6], surest[6], tusser[6]

5 letter words

cuber[9], cubes[9], curbs[9], scrub[9], cress[7], crest[7], bests[7], sects[7], burse[7], rebus[7], rubes[7], suber[7], cruse[7], cures[7], curse[7], ecrus[7], sucre[7], buses[7], brute[7], buret[7], rebut[7], tuber[7], cruet[7], curet[7], cuter[7], eruct[7], recut[7], truce[7], butes[7], tubes[7], cutes[7], scute[7], bruts[7], burst[7], crust[7], curst[7], busts[7], stubs[7], scuts[7], rests[5], tress[5], ruses[5], suers[5], users[5], trues[5], suets[5], rusts[5], truss[5]

4 letter words

cube[8], curb[8], cubs[8], rebs[6], recs[6], cess[6], secs[6], best[6], bets[6], sect[6], rube[6], cure[6], ecru[6], cues[6], ecus[6], burs[6], rubs[6], urbs[6], crus[6], curs[6], buss[6], subs[6], cuss[6], bute[6], tube[6], cute[6], brut[6], curt[6], bust[6], buts[6], stub[6], tubs[6], cuts[6], scut[6], sers[4], erst[4], rest[4], rets[4], tres[4], sets[4], rues[4], ruse[4], suer[4], sure[4], user[4], sues[4], uses[4], true[4], suet[4], utes[4], rust[4], ruts[4]

3 letter words

cub[7], reb[5], rec[5], bes[5], sec[5], bet[5], cue[5], ecu[5], bur[5], rub[5], urb[5], cru[5], cur[5], bus[5], sub[5], but[5], tub[5], cut[5], ers[3], res[3], ser[3], ess[3], ret[3], set[3], rue[3], sue[3], use[3], ute[3], rut[3], uts[3]

2 letter words

be[4], er[2], re[2], es[2], et[2], us[2], ut[2]