Unscramble Udfs

What is the meaning of word udfs unscrambled?

What 4 letter words can be made from letters U D F S:

1. fuds - Definition of fuds

Make more words by adding or removing letters

How many 3 letter words can you make from letters U D F S?

1. fud - Definition of fud

2. USD - Definition of USD

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling dfs
2) Removing the letter D and unscrambling ufs
3) Removing the letter F and unscrambling uds
4) Removing the letter S and unscrambling udf

More anagrams containing the letters U D F S
udsf ufds fuds udsf