“The sixth sick sheikh's sixth sheep's sick"
(this has also been labelled as the hardest in the English language)
“A big bug bit a bold bald bear and the bold bald bear bled badly”
“You've known me to light a night light on a light night like tonight. There's no need to light a night light on a light night like tonight, for a night light's a slight light on tonight's light night”
“Imagine an imaginary menagerie manager managing an imaginary menagerie"
"Shep Schwab shopped at Scott's Schnapps shop; one shot of Scott's Schnapps stopped Schwab's watch"