From memory, since I used to use this as a password on my e-mail account at University, I know it was JOZXYQK.
It's the cat word for the sound you make when you get your sexual organs trapped in something, and may be in the dictionary if you're reading in the nude and close the book too fast!!!
I'd have said something turning into a chicken (the Polymorph and Lister, respectively), or that Lister was attacked by food (Shami Kebab Diablo or a Mutton Vindaloo Monster).