Unscramble Stffu

What is the meaning of word stffu unscrambled?

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

1. stuff - Definition of stuff

2. tuffs - Definition of tuffs

Make more words by adding or removing letters

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

1. tuff - Definition of tuff

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling tffu
2) Removing the letter T and unscrambling sffu
3) Removing the letter F and unscrambling stfu
4) Removing the letter F and unscrambling stfu
5) Removing the letter U and unscrambling stff

More anagrams containing the letters S T F F U
stfuf stuff ustff ffust