This code is really simple, but most people will have trouble figuring it out. You simply reverse the alphabet, so if you want to use an A, you use a Z. If you want to spell "and", you spell "zmw".
| Legend: | |
| A | Z |
| B | Y |
| C | X |
| D | W |
| E | V |
| F | U |
| G | T |
| H | S |
| I | R |
| J | Q |
| K | P |
| L | O |
| M | N |