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

Crossword clues for Alien vehicles 4 letters:

UFOS: Alien vehicles
UFOS: Vehicles for aliens, perhaps
UFO: Alien vehicle
UFO: Alien abduction vehicle
UFO: Alien's vehicle
UFO: Alien's vehicle, for short
FLYINGSAUCERS: Vehicles piloted by aliens, probably