_.concat(
        [["\u2B06", Phaser.Input.Keyboard.KeyCodes.CAPS_LOCK, 1.5, "", false, desktopCapsButtonCallback, keyboard]], // unicode uppercase arrow white
        uppercaseLettersRowThreeConfig,
        [["?", Phaser.Input.Keyboard.KeyCodes.FORWARD_SLASH]],
        [["\u232B", Phaser.Input.Keyboard.KeyCodes.BACKSPACE, 1.5]] // unicode backspace symbol