double.toil.trouble
Double, double toil and trouble;
Fire burn and cauldron bubble.
chanted the witches of Macbeth.
Those famous two lines, which I keep mistakenly remembering as bubble, bubble - courtesy of Disney and the Olsen twins apparently ^^, spelt the beginning of Macbeth’s doom.
I have heard variations of the first line in so many different TV shows, especially The Worst Witch. Mildred Hubble! - to those of you who remember!

So, the question remains where do these three words lie?
The answer is in Perth, Australia. Perhaps there are witches brewing stews of trouble in the desert…