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

Crossword clues for Letter additions: Abbr.:

PSS: Letter additions: Abbr.
PPS: Letter addition: Abbr.
PSS: Additions to letters: Abbr.
ENC: Letter's addition: Abbr.
ENCL: Something in addition to the letter: Abbr.
ENC: Business-letter abbr. signalling that additional materials are included