What It Scores
YIPPY is a valid word in the tournament list this site uses. Tile values only, before any premium square: 15 in Scrabble and 17 in Words With Friends. The letters break down as Y4 I1 P3 P3 Y4.
Words Made From The Letters In YIPPY
4 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.
4 letter words (1)
3 letter words (2)
2 letter words (1)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.