Scrabble dictionary, Word with Friends, search for words, check words

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4 letter words:

burb8, berg7, burg7, grub7, rube6, grue5, urge5,

3 letter words:

bub7, ebb7, beg6, bug6, bur5, reb5, rub5, urb5, erg4, reg4, rug4, rue3,

2 letter words:

be4, er2, re2,