Can you say "Lucky"?

We have two cats. One of them named Lucky. Our son, being just over two, does not quite pronounce this correctly. It's nothing bad, it just sounds like "Kucky". Last night as we were putting the little boy to bed he made some comment about the cat and used his normal phrasing.

He is at an age were asking, "Can you say "? will often get him to repeat what you said, usually with amazing accuracy (he said "Accomidating" yesterday!). So, my wife asked him, "Can you say "Lucky"?

"Fucky"