Vowels are just like any other letter; you can guess them at any time.
And yes...there are several N's.
_ _ _ t _ _ n _ / _ _ / th _ _ / _ h _ _ / h _ _ _ / _ _ _ n / _ _ _ t _ _ / n _ t / _ _ _ _ _ t _ _ _ / th _ / _ _ n _ _ / _ _ t _ _ _ _ / _ _ / th _ / _ _ _ _
Parts hung: None