| Year Letter | Answer | % Correct |
|---|---|---|
| V | CUL | 100%
|
| A | SUL | 100%
|
| W | GYE | 100%
|
| X | KYV | 100%
|
| Y | NUW | 100%
|
| B | WUV | 100%
|
| T | WYV | 100%
|
| Y | OHV | 50%
|
| A | SYE | 50%
|
| A | THV | 50%
|
| S | THX | 50%
|
| A | THX | 50%
|
| V | EYE | 0%
|
| X | KYN | 0%
|
| Y | RYK | 0%
|