takes a list of anagrams and outputs the words in the same order as they appear in original string. Also outputs all the matched words after that in the order they appear after that.

AnagramFinder.swift

// 
// Anagram finder.
//
// Description: takes a list of anagrams and outputs the words in the same order as they appear in original string.
// Also outputs all the matched words after that in the order they appear after that.
//
// Language: Swift 5
// Author: Paul Ossenbruggen
// Date: Dec 4, 2015
// 

import Foundation

func printAnagrams(input: [String]) {
    var sortedWordIndexes: [String: [Int]] = [:]
    
    for (index, string) in input.enumerated() {
        let key = String(string.sorted())
        if var indexes = sortedWordIndexes[key] {
            indexes += [index]
            sortedWordIndexes[key] = indexes
        } else {
            let indexes = [index]
            sortedWordIndexes[key] = indexes
        }
    }
    
    for string in input {
        let key = String(string.sorted())
        if let indexes = sortedWordIndexes[key] {
            let row = indexes.reduce("") {$0 + input[$1] + " "}
            print(row)
            sortedWordIndexes[key] = nil
        }
    }
}


printAnagrams(input: "raps lame male rasp spar naps pans span meal snap".split { $0 == " " } .map{String($0)})
printAnagrams(input: ["east","opts", "eats", "sate", "post","pots", "seat","stop", "tops", "teas"])