Ok, bear with me as I am not too familiar with this thread. I've read through most of it and hopefully this has not been used.
A group, there are two missing:
I, N, P, I, L, N, B, P, C, S, C, T, D, F, G, G, H
They are in no particular order.
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If you can't sleep, then get up and do something instead of lying there worrying. It's the worry that gets you, not the lack of sleep.
-Dale Carnegie