According to the list representation of a tree to answer questions about this tree.

A$($B$($E$($K L$)$ F$)$C$($G$($M N$))$D$($H I$($O$)$ J$))$

$(1)$ Please draw the tree.

$(2)$ Transformed this tree into binary tree by left child$-$right sibling representation. List all leaf nodes in binary tree.