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

Crossword clues for H.S.T. and J.F.K. 4 letters:

DEMS: H.S.T. and J.F.K.
DDE: H.S.T., ___, J.F.K.
DDE: Between H.S.T. and J.F.K.
DEM: J.F.K. or H.S.T.