Unscramble Irrb

What is the meaning of word irrb unscrambled?

What 4 letter words can be made from letters I R R B:

1. birr - Definition of birr

Make more words by adding or removing letters

How many 3 letter words can you make from letters I R R B?

1. brr - Definition of brr

2. rbi - Definition of rbi

3. rib - Definition of rib

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rrb
2) Removing the letter R and unscrambling irb
3) Removing the letter R and unscrambling irb
4) Removing the letter B and unscrambling irr

More anagrams containing the letters I R R B
rbir rbri rrib ibrr