Dear Alex,

> I tried to search for a list of pali roots (perhaps such a list could
> be of manageable size) to compliment the PDF, but was unable to find
> one on the net.

You can have a look at
http://web.archive.org/web/20021113181247/watthai.net/ratthapala/roots.html

Best wishes,

Dmytro Ivakhnenko