Anagrams.swift

import Foundation

extension String {
    var sortedChars: String {
        get {
            var current = ""
            self.sorted().forEach {
                if $0 != " " {
                    current.append($0)
                }
            }
            return current
        }
    }
}

var anagrams: [String] = ["pear", "amleth", "dormitory", "tinsel",
                          "dirty room", "hamlet", "listen", "silent"]

var used: [String] = [String]()

for word in anagrams.sorted() {
    if used.contains(word) == false {
        var array: [String] = [word]
        used.append(word)
        
        anagrams.forEach {
            if used.contains($0) == false && word.sortedChars == $0.sortedChars {
                used.append($0)
                array.append($0)
            }
        }
        
        print(array.sorted())
    }
}