The New York Times Spelling Bee is a daily online puzzle that presents a set of seven letters and challenges players to construct as many words as possible using them. There’s always at least one word—the “pangram”—that uses all seven letters. One letter is designated as the “center,” and that letter must appear in all the solutions.I starting playing the Spelling Bee in the fall of 2018, and I quickly became fascinated with it. Before long I’d started building a little web tool to help me fin...