'trinomial whipsnake' sounds like randomwords that they included to beat the Baeyesian spam filters. I've gotten some amazing Haikus from spam subjects:
fishy klux finite orthicon connivance cenozoic dearth
pier algorithm ontario
--John S. Thu, 20 May 2004 14:51:38 -0400
drat, the line breaks didn't come through
--John S. Thu, 20 May 2004 14:52:02 -0400