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

Crossword clues for Squash bug:

COREID: Squash bug
STEPONIT: I'm in a hurry to see that bug squashed!
EWW: Comment regarding a squashed bug
SPLAT: Bug-squashing sound
STEPON: Squash like a bug