private async Task findLet()
{
await this.tf.findLetters();
Letter[] letters = tf.getLetters();
int lettersLength = letters.Length;
for (int i = 0; i < letters.Length; i++)
{
if (letters[i] == null)
{
lettersLength = i;
break;
}
}
for (int i = 0; i < lettersLength; i++)
{
tf.getLetters()[i].initScrambleArray();
}
}