An envelope!
Ewes sincerely.
With stick e-tape.
He was tired of Haulin' Oats
When your wife's clothes start to fit her.
3's enough. Here's 2." and gives him 1.
IHOP
On the end of monsters fingers.
Elderly me: I made my kids steak instead of hot dogs. Him: *gasps* You monster.
Envelope
Letterhead and envelopes. No matter how hard you try, they remain stationery!