W=["hello", "world", "no", "yes", "well", "go"]

puts "Provide us the letters (no spaces please)"
word = gets.chomp.downcase

arr = word.split('')


success = []

W.each do |w|

        # create temp arrays
        dict_arr = w.split('')
        user_arr = arr
        test = true


        # test whether users letters spell current word in dict
        while test
                dict_arr.each do |letter|
                        if (user_arr.include?(letter))
                                i = user_arr.index(letter)
                                user_arr.delete_at(i)
                        else

                                test = false
                                next
                        end
                end

                success << w
                test = false
        end


end

puts success.inspect