Unscramble Itsffs

What is the meaning of word itsffs unscrambled?

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

1. stiffs - Definition of stiffs

Make more words by adding or removing letters

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

1. fists - Definition of fists

2. sifts - Definition of sifts

3. stiff - Definition of stiff

4. tiffs - Definition of tiffs

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tsffs
2) Removing the letter T and unscrambling isffs
3) Removing the letter S and unscrambling itffs
4) Removing the letter F and unscrambling itsfs
5) Removing the letter F and unscrambling itsfs
6) Removing the letter S and unscrambling itsff

More anagrams containing the letters I T S F F S
itsfsf itssff tsfsfi sifstf