OK, I cannot vouch for the translation, but this is a product of the Latin class at my daughter's school, and she gave me a t-shirt with "llama, llam(a), anas" on it:

"Huc a llam(a) illuc a llama
Et altera parva llam(a)
Pellosa llam(a) iocosa llama
Llama, llam(a) anas!

Dani