Unscramble Msms

What is the meaning of word msms unscrambled?

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

Make more words by adding or removing letters

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

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

More anagrams containing the letters M S M S
mssm smms ssmm smms