Substitute at the Pearly Gates

"Oh, I've been doing pretty well since you died," her husband told her. "I married the beautiful young nurse who took care of you while you were ill. And then I won the lottery. I sold the little house you and I lived in and bought a big mansion. And my wife and I traveled all around the world. We were on vacation and I went water skiing today. I fell, the ski hit my head, and here I am. How do I get in?"

"You have to spell a word," the woman told him.

"Which word?" her husband asked.

"Czechoslovakia."