GIMP
4 letters✓ Scrabble US (TWL)✓ Scrabble UK (SOWPODS)✓ Words With Friends
9
Scrabble points
12
WWF points
Letter breakdown
g2 pts
i1 pts
m3 pts
p3 pts
Base Scrabble values — premium squares multiply the total.
Words you can make from GIMP's letters
From the TWL dictionary. Use the unscrambler for the full list with all dictionaries.