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

Crossword clues for Picnic discards:

COB: Picnic discard
COBS: Picnic discards
COBS: Kernel-less picnic discards
WATERMELONSEEDS: Picnic discards
WATERMELONRINDS: Picnic fruit discards