Anagram Finder

Develop a function that takes a list of words and returns a list of groups of anagrams. An anagram is a word formed by rearranging the letters of another. The output should consist of lists of anagrams grouped together, with each group containing at least two words. Input: First line N (1 ≤ N ≤ 100), followed by N words (1 ≤ |word| ≤ 100). Output: A list of lists containing grouped anagrams. Example: Input: 5 listen silent enlist hello world Output: [['listen', 'silent', 'enlist']]