| Hint | Answer | % Correct |
|---|---|---|
| O | OO | 95%
|
| S | SS | 89%
|
| C | CC | 86%
|
| K | KK | 86%
|
| U | UU | 86%
|
| A | AA | 85%
|
| I | II | 85%
|
| N | NN | 85%
|
| R | RR | 85%
|
| T | TT | 85%
|
| M | MM | 84%
|
| Q | 84%
| |
| D | DD | 80%
|
| H | HH | 79%
|
| L | LL | 78%
|
| J | JJ | 76%
|
| X | XX | 76%
|
| V | VV | 75%
|
| Y | YY | 75%
|
| B | BB | 72%
|
| E | EE | 71%
|
| W | WW | 71%
|
| H | HH | 70%
|
| P | PP | 70%
|
| F | FF | 63%
|
| Z | ZZ | 62%
|