This clearly is written in a forgotten language of the ancients, likely thousands of years old. Judging by the script, something from the Lower Lumbar region.
11 seconds sound clip from The New Adventures of Winnie the Pooh - Oh, Bottle / Owl in the Family (S3E1).
You can hear this line at 00:06:02.304 in the Blu-ray version of the TV Series.
Quote context
[...]
- Oh, why, Pooh Bear, of course I'd be happy to read the note, but first I'd have to see it.
- Good thing we got another one. Came in a bottle.
- Pooh! That's it! That's the bottle!
- Say, this reminds me of something, but I disremember what.
- But Owl, I think it was sent by Christopher Robin, because he's in trouble.
- In that case, this is most definitely a recipe for coconut cream pie.
- It's a disaster! An apostrophe!
- There are no cannibals in the Hundred Acre Wood.
- Then probably it's kid-eatin' sharks! Yeah, Tigger sharks, the stripedy kind.
[...]