var checkAnagram = function(word1, word2) {
	if (word1 == "" || word2 == "") return false;
	word1 = word1.split('').sort();
	word2 = word2.split('').sort();
	if (word1.length != word2.length) {
		return false;
	}
	for (var i = 0; i < word1.length; i++) {
		if (word1[i] != word2[i]) {
			return false;
		}
	}
	return true;
}

var anagramFinder = function (arr) {
	var result = [];
	var counter = 0;
	for (var i = 0; i < arr.length - 1; i++) {
		result[counter] = [arr[i]];
		for (var j = i + 1; j < arr.length; j++) {
			if (checkAnagram(arr[i], arr[j])) {
				result[counter][result[counter].length] = arr[j];
				arr[j] = "";
			}
		}
		if (result[counter].length == 1) {
			result[counter] = [];
		} else {
			counter += 1;
		}
	}
	return result.filter(function (a) { return a.length > 0; })
      .map(function (elem) { return elem.sort(); })
      .sort();
}