Unscramble Irrfb

What is the meaning of word irrfb unscrambled?

What 5 letter words can be made from letters I R R F B:

Make more words by adding or removing letters

How many 4 letter words can you make from letters I R R F B?

1. birr - Definition of birr

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rrfb
2) Removing the letter R and unscrambling irfb
3) Removing the letter R and unscrambling irfb
4) Removing the letter F and unscrambling irrb
5) Removing the letter B and unscrambling irrf

More anagrams containing the letters I R R F B
rbfir rbfri birrf frrbi