On the Subject of Alpha-meta-cal Order

🔤, it's easy 🤓 as 1️⃣2️⃣3️⃣, as simple ✏ as do re mi🎶, a b c, 1 2 3 baby 👶 you and me girl 👧 😍

Across all instances of Alpha-meta-cal Order on the bomb, press the buttons in alphabetical order.