ec_k</h2>
<p>The “K combinator” - removes the second item on the EXEC stack</p>
<h2><a href="#exec-s" id="exec-s"></a>:exec_s</h2>
<p>The “S combinator” - pops 3 items from the EXEC stack, which we will call A, B, and C (with A being the first one popped), and then pushes a list containing B and C back onto the EXEC stack, followed by another instance of C, followed by another instance of A</p>
<h2><a href="#exec-y" id="exec-y"></a>:exec_y</h2>
<p>The “Y combinator” - inserts beneath the top ite