* Burping is a biological process: Burping happens when air gets trapped in the digestive system and is released. It's not something animals do intentionally to make specific sounds.
* Animals have different vocalizations: Animals communicate using a variety of sounds like barks, meows, roars, chirps, etc. These sounds are often specific to their species and have different purposes.
* The alphabet is a human invention: The alphabet is a system of written symbols representing sounds. Animals don't use alphabets or have the cognitive ability to intentionally form letters with their burps.
So, while it would be hilarious to imagine animals burping the alphabet, it's simply not possible!