Wie zit er niet op post te wachten..?

I wrote you
just one letter,
But
I got hurt
of the stamp
I had to put on!
 
Pay,
for just
one letter.
 
To speak
is free!
How many words
does not matter.
 
Even how big or little
the words even are!
Even just one letter!
 
So...
pay attention
to all the words,
I ever tell