Unscramble Yrfs

What is the meaning of word yrfs unscrambled?

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

Make more words by adding or removing letters

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

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter Y and unscrambling rfs
2) Removing the letter R and unscrambling yfs
3) Removing the letter F and unscrambling yrs
4) Removing the letter S and unscrambling yrf

More anagrams containing the letters Y R F S
yrsf ysfr sfry sfry