Unscramble Birsum

What is the meaning of word birsum unscrambled?

What 6 letter words can be made from letters B I R S U M:

Make more words by adding or removing letters

How many 5 letter words can you make from letters B I R S U M?

1. brims - Definition of brims

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter B and unscrambling irsum
2) Removing the letter I and unscrambling brsum
3) Removing the letter R and unscrambling bisum
4) Removing the letter S and unscrambling birum
5) Removing the letter U and unscrambling birsm
6) Removing the letter M and unscrambling birsu

More anagrams containing the letters B I R S U M
birums birusm brumsi iusrbm