What are the most popular MTG set name abbreviations used in the trading card game community?

Some of the most popular Magic: The Gathering set name abbreviations used in the trading card game community are:

• Alpha (Limited Edition Alpha)
• Beta (Limited Edition Beta)
• Unlimited
• Arabian Nights
• Antiquities
• Revised (Third Edition)
• Legends
• The Dark
• Fallen Empires
• Fourth Edition

These abbreviations are commonly used by players and collectors to refer to specific sets in the game.