Unscramble Uldfs

What is the meaning of word uldfs unscrambled?

What 5 letter words can be made from letters U L D F S:

Make more words by adding or removing letters

How many 4 letter words can you make from letters U L D F S?

1. flus - Definition of flus

2. fuds - Definition of fuds

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling ldfs
2) Removing the letter L and unscrambling udfs
3) Removing the letter D and unscrambling ulfs
4) Removing the letter F and unscrambling ulds
5) Removing the letter S and unscrambling uldf

More anagrams containing the letters U L D F S
uldsf ulfds sdufl uflsd