Ones green and the other is black
A magician makes rabbits appear in hats, while a psychologist makes habits appear in rats.
The Christmas alphabet has NO EL.
Ones really heavy, and the other's a little lighter!
Ones a pant in the country the others a...
Three-fifths as many seems like a generous offer.
All white, all white, all whiiiiiiiite...
They're both green, smell like farts, and will stay that way for 47 years.