Clue: Postpaid encls.

Answer: SASES

Length: 5

---

Similar Clues:

• Postpaid encl. (SASE with 4 letters)
• Some encls. (SASES with 5 letters)
• Postpaid enc. (SASE with 4 letters)
• Postpaid courtesies: Abbr. (SASES with 5 letters)
• Postpaid enclosure: Abbr. (SASE with 4 letters)
• Mail-order encls. (SAES with 4 letters)
• Letter encls. (SASES with 5 letters)
• Mailing encls. (SAES with 4 letters)
• Freelance writers' encls. (SASES with 5 letters)
• Encls. to editors (SASES with 5 letters)