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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Aw, nuts! 4 letters:

DARN: Aw, nuts!
RATS: Aw, nuts!
DRAT: Aw, nuts
SNAP: Gesture that may accompany "Aw, nuts!"
FOO: Aw, nuts!