What It Scores
YOBBOS is a valid word in the tournament list this site uses. Tile values only, before any premium square: 13 in Scrabble and 15 in Words With Friends. The letters break down as Y4 O1 B3 B3 O1 S1.
Words Made From The Letters In YOBBOS
31 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.
5 letter words (3)
4 letter words (8)
3 letter words (12)
2 letter words (8)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.