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

Crossword clues for Many a "Star Trek" character:

ALIENS: Many "Star Trek" characters
ETS: Many "Star Trek" characters
ETS: Many "Star Trek" characters, briefly
ETS: Many "Star Trek" characters, for short
ALIEN: Many a "Star Trek" character
ENS: Rank of many a single-episode character on "Star Trek": Abbr.