I doubt I can. It’s a major part of many, many words. Omitting it is as hard as making muffins without flour. It’s as hard as spitting without saliva, napping without a pillow, driving a train without tracks, sailing to Russia without a boat, washing your hands without soap, or shitting without a butt. And, anyway, what would I gain? An award? A cash bonus? Bragging rights? Why should I strain my brain? It’s not worth doing. Now, a grammatical paragraph without commas: that would wow most folks on Quora, don’t you think? Could you do it? If so, I tip my hat to you—or I would if I had a hat. Or, how about a paragraph without punctuation? Or a paragraph without nouns? If you can do that, you’ll win my admiration. Go on. Try! I’m waiting…