Is This How You Spell "Nana"?

Aidyn has learned to spell her name and has started wondering about the spelling of other people's names. This morning she came out of the kitchen carrying a handful of random magnetic letters from the fridge and asked, "Mama--is this how you spell Nana?"
I answered, "Nana is n-a-n-a."
She turned around repeating to herself, "N-a-n-a. N-a-n-a," and went back to the fridge. A few moments later she called out, "Mama--we don't have all those letters!"
I guess I'll need to go buy another couple sets of fridge letters for her spelling practice.