4 letter anagrams 19 results birn birr brim brin brum buri burn burr imbu muir murr nimb numb rimu ruin rumb ruru unum urim
3 letter anagrams 31 results bim bin brr bum bun bur ibm imu mib min mir mru mun nib nim nub num rib rim rin rub rum run ubi umu unb uni urb uri urn uru
2 letter anagrams 25 results bi bm bn br bu ib im in ir mb mi mn mr mu nb ni nm nr nu rm rn ui um un ur