5!/(2!*2!) = 30 ways.
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Banana
there should be 720 ways !
This is how you do it, there are 7 letters in average so it would be, 7x6x5x4x3x2x1.
(5 x 4 x 3 x 2 x 1) = ( 5 ! ) = 120 ways.
There are (4*3)*(6*5*4*3*2*1) = 8640 ways.