sau is the highest-scoring word from usa, worth 3 points in Scrabble. The top 3 of 3 words are shown here, with the full list organized by length below.
Unscrambling usa produces exactly one three-letter word: sau. It is not one of the common answers — a genuine unscrambler find — and it banks 3 points in Scrabble.
There are 2 two-letter words that can be made by unscrambling the letters in usa. Here the everyday answers and the top-scoring plays are one and the same: as and us, worth 2 points apiece in Scrabble.
The full list follows, sorted A to Z; every score reflects tile constraints and skips board bonuses.
Swap a single tile in usa and you get a different three-letter rack with its own word list. None of these appear in the results above — they share 2 of the 3 letters, not all of them.
The highest-scoring play from these letters is sau, worth 3 points in Scrabble, and no other word from usa earns more points in Scrabble. Words With Friends prices the same letters differently, so the top of the list changes on a Words With Friends board. Both scores count tile values only and exclude premium squares.
The letters in usa produce 3 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 three-letter word and 2 two-letter words.