| Letter | Number | % Correct |
|---|---|---|
| F | Four | 86%
|
| T | Two | 82%
|
| S | Six | 78%
|
| E | Zero | 78%
|
| N | One | 76%
|
| O | Zero | 76%
|
| B | Billion | 75%
|
| I | Five | 75%
|
| H | Three | 75%
|
| Z | Zero | 75%
|
| R | Zero | 71%
|
| V | Five | 68%
|
| W | Two | 67%
|
| G | Eight | 65%
|
| X | Six | 65%
|
| U | Four | 64%
|
| L | Eleven | 60%
|
| A | Thousand | 58%
|
| M | Million | 56%
|
| Y | Twenty | 50%
|
| D | Hundred | 40%
|
| Q | Quadrillion | 32%
|
| C | Octillion | 8%
|
| P | Septillion | 8%
|