| Letter | Last Name | Frequency | % Correct |
|---|---|---|---|
| M | Martin | 1:211 | 79%
|
| R | Richard | 1:480 | 45%
|
| R | Robert | 1:472 | 45%
|
| B | Bernard | 1:392 | 40%
|
| D | David | 1:684 | 40%
|
| T | Thomas | 1:577 | 40%
|
| D | Dubois | 1:503 | 33%
|
| M | Michel | 1:572 | 31%
|
| D | Durand | 1:495 | 24%
|
| L | Laurent | 1:553 | 21%
|
| S | Simon | 1:550 | 19%
|
| G | Garcia | 1:576 | 12%
|
| L | Leroy | 1:609 | 10%
|
| M | Moreau | 1:508 | 10%
|
| R | Roux | 1:734 | 10%
|
| M | Morel | 1:719 | 7%
|