That's not a name you're going to forget easily. Fortunately, The Independent reveals:
So if it's pronounced "Dixit", why isn't it spelled "Dixit"?
One of the people who picked up his degree at the same time I did had the surname Fuk. Unfortunately for him and for the person who had to read out his name, it was pronounced as it was written. The announcer chickened out at the awards ceremony, though, and gave it the same vowel sound as "suit".