UMBO
4 letters✓ Scrabble US (TWL)✓ Scrabble UK (SOWPODS)✓ Words With Friends
8
Scrabble points
11
WWF points
Letter breakdown
u1 pts
m3 pts
b3 pts
o1 pts
Base Scrabble values — premium squares multiply the total.
Words you can make from UMBO's letters
From the TWL dictionary. Use the unscrambler for the full list with all dictionaries.