| Letters/Llythyrau | % Correct |
|---|---|
| A | 100%
|
| B | 100%
|
| C | 100%
|
| D | 100%
|
| E | 100%
|
| F | 100%
|
| G | 100%
|
| H | 100%
|
| I | 100%
|
| L | 100%
|
| M | 100%
|
| N | 100%
|
| O | 100%
|
| P | 100%
|
| R | 100%
|
| S | 100%
|
| T | 100%
|
| U | 100%
|
| W | 100%
|
| Y | 98%
|
| Ff | 92%
|
| J | 92%
|
| Ll | 92%
|
| Dd | 90%
|
| Ch | 86%
|
| Rh | 84%
|
| Th | 82%
|
| Ph | 78%
|
| Ng | 65%
|