Crosswordiee.com

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

Crossword clues for Mailing courtesies: Abbr.:

SAES: Mailing courtesies: Abbr.
SASES: Return-mail courtesies: Abbr.
SASE: Return-mail courtesy: Abbr.
SASE: Mail-enclosure courtesy: Abbr.