Unscramble Itstff

What is the meaning of word itstff unscrambled?

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

Make more words by adding or removing letters

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

1. stiff - Definition of stiff

2. 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 tstff
2) Removing the letter T and unscrambling istff
3) Removing the letter S and unscrambling ittff
4) Removing the letter T and unscrambling itsff
5) Removing the letter F and unscrambling itstf
6) Removing the letter F and unscrambling itstf

More anagrams containing the letters I T S T F F
ittffs ittfsf fisftt ttffis