export function groupAnagrams(words: string[]): string[][] {
  // Escribe tu solución aquí
  const output: Record<string, string[]> = {};

  words.forEach(word => {
    const w = String(word).split('').sort().join('');
    if(!output[w]) output[w] = [];
    output[w].push(word);
    output[w].sort();
  })
  
  return Object.values(output).sort();
}