Unscramble Idthfs

What is the meaning of word idthfs unscrambled?

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

Make more words by adding or removing letters

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

1. shift - Definition of shift

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling dthfs
2) Removing the letter D and unscrambling ithfs
3) Removing the letter T and unscrambling idhfs
4) Removing the letter H and unscrambling idtfs
5) Removing the letter F and unscrambling idths
6) Removing the letter S and unscrambling idthf

More anagrams containing the letters I D T H F S
idthsf idtsfh sidtfh hdtfis