Abbr. of politeness, 3 letters
It may be followed up with Thx, 3 letters
Park and Peyton, briefly, 3 letters
Park and Peyton: abbr., 3 letters
Polite admonition in a text msg, 3 letters
Polite shorthand abbr., 3 letters
Polite text-message word, 3 letters
Polite word in a text msg., 3 letters
Por favor, for short, 3 letters