Unscramble Xmss

What is the meaning of word xmss unscrambled?

What 4 letter words can be made from letters X M S S:

Make more words by adding or removing letters

How many 3 letter words can you make from letters X M S S?

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter X and unscrambling mss
2) Removing the letter M and unscrambling xss
3) Removing the letter S and unscrambling xms
4) Removing the letter S and unscrambling xms

More anagrams containing the letters X M S S
xsms xssm mssx xssm