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function findWords(words: string[]): string[] {    const one = new Set("qwertyuiop");    const two = new Set("asdfghjkl");    const three = new Set("zxcvbnm");
    return words.filter((w) =>        [one, two, three].some((s) =>            Array.prototype.every.call(w, (c) => s.has(c.toLowerCase()))        )    );}export default findWords;