I need to keep these somewhere:
Beginners:
Three witches watch three swatch watches. Which witch watch which swatch watch?
Intermediate:
Three switched witches watch three Swatch watch switches. Which switched witch watch which Swatch watch switch?
Expert:
Three swiss witch-bitches, which wished to be switched swiss witch-bitches, wish to watch three swiss Swatch watch switches. Which swiss witch-bitch witch wishes to be a switched swiss witch-bitch, wishes to watch which swiss Swatch watch switch?