let fileName : String = " ArabicLetters"
let fileExt : String = "plist"
let pathRes = Bundle.main.path(forResource: fileName, ofType: fileExt)
let pathDict = NSDictionary(contentsOfFile: pathRes!)
var letters : [String] = pathDict?.object(forKey: "Letters") as! [String]

for data in listdata {

        let dataAnswer = data.ans
        let dataArrayAnswer = dataAnswer.characters.map{String($0)}
        letters.append(contentsOf: dataArrayAnswer)

        print("(letters)")

        for char in dataArrayAnswer {}

            for i in 1...14 {

                let tileButton = UIButton(type: .roundedRect)
                let lettersAns = dataArrayAnswer.shuffled()[letters.distance(from: id, to: id)]
                tileButton.setTitle(lettersAns, for: .normal)

                ......

            }
        }