Unscramble Xfrs

What is the meaning of word xfrs unscrambled?

What 4 letter words can be made from letters X F R S:

Make more words by adding or removing letters

How many 3 letter words can you make from letters X F R S?

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter X and unscrambling frs
2) Removing the letter F and unscrambling xrs
3) Removing the letter R and unscrambling xfs
4) Removing the letter S and unscrambling xfr

More anagrams containing the letters X F R S
xfsr xrfs fsrx rfsx