| Last Two Letters | Capital | % Correct |
|---|---|---|
| OI | Hanoi | 80%
|
| UZ | Vaduz | 74%
|
| RG | Luxembourg | 71%
|
| DH | Riyadh | 71%
|
| KU | Baku | 63%
|
| KI | Helsinki | 60%
|
| ID | Madrid | 58%
|
| UI | Bangui | 55%
|
| RY | Conakry | 54%
|
| JA | Abuja | 52%
|
| KO | Bamako | 51%
|
| IK | Reykjavik | 50%
|
| NS | Athens | 46%
|
| UE | Prague | 46%
|
| UA | Managua | 43%
|
| CO | Monaco | 40%
|
| EI | Taipei | 39%
|
| UM | Khartoum | 38%
|
| SI | Tbilisi | 38%
|
| HA | Doha | 36%
|
| BE | Dushanbe | 36%
|
| RU | Maseru | 24%
|
| DA | Luanda | 22%
|
| CA | Podgorica | 15%
|