Solution: "My Violent Evil Monster Just Scared Us Nuts" and others - NYT Crossword

Poor Pluto! I learned “My Very Excellent Mother Just Served Us Nine Pizzas,” and stared at this clue blankly until I realized all that capitalization must mean something. I still have a handful of MNEMONIC DEVICES available in my brain, many years after learning them in school; over all, it seems that science does not hold this memorization tactic in high regard. I need a mnemonic to help me remember how to spell mnemonic! This is not a debut, but another hard-to-spell entry, LIAISING, makes its first appearance in the grid.