DIN
3 letters✓ Scrabble US (TWL)✓ Scrabble UK (SOWPODS)✓ Words With Friends
4
Scrabble points
5
WWF points
Letter breakdown
d2 pts
i1 pts
n1 pts
Base Scrabble values — premium squares multiply the total.
Words you can make from DIN's letters
From the TWL dictionary. Use the unscrambler for the full list with all dictionaries.