void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            //wordChecker.ClearWord();
        }
        if (Input.GetMouseButton(0))
        {
            selectLetter = pointer();
            if (!(selectLetter.transform.parent.GetChild(1).gameObject.active))
            {
                highlightSelection();
                AddLetterToWord();
            }
        }

        if (Input.GetMouseButtonUp(0))
        {
            selectionSprite.SetActive(false);
            wordChecker.CheckWord();
            wordChecker.ClearWord();
        }
    }