@IBAction func letterButtonPressed(_ sender: UIButton) {     sender.isEnabled = false     let letterString = sender.title(for: .normal)!     let letter = Character(letterString.lowercased())     currentGame.playerGuessed(letter: letter)     updateGameState()   }       func updateGameState() {     if currentGame.incorrectMovesRemaining == 0 {       totalLosses += 1     } else if currentGame.word == currentGame.formattedWord {       totalWins += 1     } else {       updateUI()