HIPY PAPY BTHUTHDTH THUTHDA BTHUTHDY.
Pooh looked on admiringly.
"I'm just saying 'A Happy Birthday'," said Owl carelessly.
"It's a nice long one," said Pooh, very much impressed by it.
"Well, actually, of course, I'm saying 'A Very Happy Birthday with love from Pooh.' Naturally it takes a good deal of pencil to say a long thing like that."

Or in other words, happy birthday
Hope you have a glorious day full of shiny and happy things.
Give me a call next time you're in London - it'd be good if Sarah & I can meet you for a drink and a chat.