i only -> flip v|y  (expected this)
i only -> flip h|x  (expected this)
ig -> flip v|y      (expected this)
ig -> flip h|x      (expected this)
g only -> flip h|x  (expected this)
                    <--- didn't match v 
----------------------
$flip is now vh
----------------------
i only -> flip v|y   (expected this)
i only -> flip h|x   (expected this)
ig -> flip v|y       (expected this)
                    <--- didn't match h
g only -> flip v|y   (expected this)
                    <---- didn't match h