List all the permutations of five objects x y z s and t taken two at a time without repetition What is 5P2 List all the permutations of five objects x y z s and t taken two at a time without repetition Choose the correct answer below OA x y z s t O B xx xy xz xs xt yy yz ys yt zz zs zt ss st tt OC xy xz xs xt yz ys yt zs zt st O D xy xz xs xt yx yz ys yt zx zy zs zt sx sy sz st tx ty tz ts What is 5P2 Simplify your answer