Explanation
This is a memory sentence to help you memorize the period 2 elements of the periodic table. "LIttle" and "BEtty" use their capitalized two-letter chemical symbols, the rest use single first letters, and "Neon" is simply spelled out: LIttle BEtty Boron Could Not Often Find Neon → Li-Be-B-C-N-O-F-Ne, standing for Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon.