Unscramble Issrfmt

What is the meaning of word issrfmt unscrambled?

What 7 letter words can be made from letters I S S R F M T:

Make more words by adding or removing letters

How many 6 letter words can you make from letters I S S R F M T?

1. firsts - Definition of firsts

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling ssrfmt
2) Removing the letter S and unscrambling isrfmt
3) Removing the letter S and unscrambling isrfmt
4) Removing the letter R and unscrambling issfmt
5) Removing the letter F and unscrambling issrmt
6) Removing the letter M and unscrambling issrft
7) Removing the letter T and unscrambling issrfm

More anagrams containing the letters I S S R F M T
issrftm issrmft sifrtsm fisrtsm