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

Crossword clues for Swell, in the '60s 3 letters:

FAB: '60s "Swell!"
FAB: Swell, '60s-style
FAB: Swell, in the '60s
BOSS: Swell, '60s-style