IDS
3 letters✓ Scrabble US (TWL)✓ Scrabble UK (SOWPODS)✓ Words With Friends
4
Scrabble points
4
WWF points
Letter breakdown
i1 pts
d2 pts
s1 pts
Base Scrabble values — premium squares multiply the total.
Words you can make from IDS's letters
From the TWL dictionary. Use the unscrambler for the full list with all dictionaries.