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

Crossword clues for On __-to-know basis:

ANEED: On __ __-to-know basis
NEED: On a ___-to-know basis
NEED: On a __-to-know basis
ANEED: On __-to-know basis
ANEED: On ___-to-know basis
NEED: ___-to-know basis
ANEED: On -- -to-know basis