Clue: Office workers' letters

Answer: TGIF

Length: 4

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Similar Clues:

• Letters that don't go to the post office (EMAIL with 5 letters)
• Letters on a business office stamp (RECD with 4 letters)
• Letters that can't be found at the post office (EMAIL with 5 letters)
• Box office letters (SRO with 3 letters)
• Office workers (e.g. CLERKS with 6 letters)
• Post office workers? (NEWSMEN with 7 letters)
• Office building problem that's a hint to this puzzle's theme entries (see their last three letters) (RECYCLEDAIR with 11 letters)
• Office workers, for short (STENOGS with 7 letters)
• Some post office workers (e.g. MAILMEN with 7 letters)
• Post-office alert letters (AKA with 3 letters)