Unscramble Stsffu

What is the meaning of word stsffu unscrambled?

What 6 letter words can be made from letters S T S F F U:

1. stuffs - Definition of stuffs

Make more words by adding or removing letters

How many 5 letter words can you make from letters S T S F F U?

1. stuff - Definition of stuff

2. tuffs - Definition of tuffs

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling tsffu
2) Removing the letter T and unscrambling ssffu
3) Removing the letter S and unscrambling stffu
4) Removing the letter F and unscrambling stsfu
5) Removing the letter F and unscrambling stsfu
6) Removing the letter U and unscrambling stsff

More anagrams containing the letters S T S F F U
stsfuf stsuff sstfuf fustsf