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

Crossword clues for Army mule and Navy goat:

MASCOT: Navy goat or Army mule
MASCOTS: Navy goat and Army mule.
MASCOTS: Army mule and Navy goat
MASCOTS: Army's mule, Navy's goat.
MASCOT: Army's mule or Navy's goat