Most probably the answer is no.
Who wants to drill holes in their ladder to install leg extenders permanently?
That means that you can not swap ladders, so you need to buy more leg extenders to install on your other ladders; or you can do something like this
Doesn't look very safe, does it?
We wrote an article a while back showing different ways of using ladders on stairs.
If you have any picture showing "creative" ways to use a ladder on stairs, share them in the comments below!