four-square cipher ( synonym found)
Definition of four-square cipher:

°A simple playground ballgame.
°Pertaining to forthrightness, honesty; unyielding ethics.
°Pertaining to a.
Definition of four-square cipher:

°A simple playground ballgame.
°Pertaining to forthrightness, honesty; unyielding ethics.
°Pertaining to a.
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