
...whose name starts
with the last LETTER of the one I said, okay?
The Big Bang Theory Season 2, Episode 5

Let’s change the LETTER, all right?
Money Heist Season 1, Episode 5

Send copies of that LETTER
to every corner of the realm,
Game of Thrones Season 2, Episode 1

Lysa's head would be on a spike right now
if the wrong people had found that LETTER.
Game of Thrones Season 1, Episode 1

Fine. Explain why you've been gone so long
and I haven't gotten a single LETTER.
The Big Bang Theory Season 6, Episode 1