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

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4 letter words:

bris6, brus6, burs6, ribs6, rubs6, urbs6,

3 letter words:

bis5, bru5, bur5, bus5, rib5, rub5, sib5, sub5, urb5, sir3, sri3, sui3, sur3,

2 letter words:

bi4, is2, si2, ur2, us2,