Along with "1987", "12345", "9750", "wordpass", and any password containing the phrase "never gonna".
There's also a response for if you just press Enter/click the checkmark while leaving the Answer prompt blank :D
SPOILER WARNIN
Dont waste my time>:(
1987= WAS THAT THE BITE OF
Markiplier:WAS THAT THE BITE OF 87!
Yerp it work