An R please !
Washington
Jefferson
Roosevelt
Kennedy
Presidents of the USA
Nay lass, you didn’t think it was that easy did you? All presidents yes, but what connects them all? 
was they all presidents featured on american coins
No, but they are featured somewhere
All got airports named after them?
Nope.
You could carve their names with pride
I was going to say their faces are carved on Mount Rushmore, three of the four are right but not Kennedy, the fourth is
Abraham Lincoln.
Aye, you’re right dammit. 
Kennedy was only proposed but never came to pass.
Well done Leia 
A nice easy one for you. These four and the connection please.
[B]
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can i have an O please
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O _ _ / _ O _ / _ _ _ _ _ _
Used : O
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E please Leia
can i have an A please
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Used : O E A
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N please
_ _ N E A _ / _ E / _ E
_ A N _ / _ _ O _ _ _
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O N E / _ O _ / A _ _ _ _ _
Used : O E A N
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can i have a T please
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O N E / _ O _ / A _ T _ _ _
Used : O E A N T
Not used :
S please