When Adam first met Eve in Eden, he politely introduced himself: Madam. I'm Adam. (Eve should have been named Iris so that she could have replied: Sir, I'm Iris.) Had Adam been more loquacious,k he could have used any of the following palindromic introduction -- although some might have led Eve to doubt his sexual orientation and his sanity!
Connett, John E.
Word Ways: Vol. 29
, Article 16.
Available at: https://digitalcommons.butler.edu/wordways/vol29/iss2/16