BDFLOTU
Make words with U
BLUB BLUFF BOUT BUFF BULB BULL BUTT DOUBT DOUBTFUL DUFF DULL FLOUT FLUB FLUFF FOUL FULL LOUD LOUT LUDO LUFF LULL LULU OUTBLOT OUTBLUFF OUTDO OUTFOOT OUTTOLD TOFU TOUT TUFT TUTU
Pangrams: DOUBTFUL
score: 90