Here's the official winning list:
1. March (of course, the obvious!)
Many people included the following (Brenda's winning entry did too, but I did not count them):
These are exclamations, but not considered words--at least by me and my dictionary.
I keep wondering is there were other words we could have made--isn't cham a word, for example? or har? Guess not.
Thanks again for playing, everyone.