| Letter | Number of Letters | Country(s) | % Correct |
|---|---|---|---|
| H | 1 | Afghanistan | Bahamas | Bahrain | +29 | 96%
|
| Z | 1 | Azerbaijan | Belize | Bosnia and Herzegovina | +12 | 90%
|
| V | 1 | Bolivia | Bosnia and Herzegovina | Cape Verde | +15 | 88%
|
| J | 1 | Azerbaijan | Djibouti | Fiji | +4 | 81%
|
| T | 3 | Federated States of Micronesia | Saint Kitts and Nevis | +2 | 81%
|
| I | 3 | Dominican Republic | Kiribati | Philippines | +2 | 77%
|
| W | 1 | Botswana | Eswatini | Kuwait | +9 | 75%
|
| Q | 1 | Equatorial Guinea | Iraq | Mozambique | Qatar | 71%
|
| X | 1 | Luxembourg | Mexico | 71%
|
| B | 2 | Antigua and Barbuda | Barbados | Zimbabwe | 65%
|
| C | 4 | Democratic Republic of the Congo | 60%
|
| O | 4 | Democratic Republic of the Congo | 60%
|
| S | 3 | Federated States of Micronesia | Marshall Islands | +2 | 60%
|
| P | 3 | Philippines | 54%
|
| U | 3 | Uruguay | 52%
|
| Y | 2 | Kyrgyzstan | 50%
|
| A | 5 | Antigua and Barbuda | 48%
|
| K | 2 | Kazakhstan | 48%
|
| M | 2 | Mozambique | Myanmar | 44%
|
| R | 3 | Central African Republic | 42%
|
| N | 6 | Saint Vincent and the Grenadines | 42%
|
| E | 5 | Federated States of Micronesia | 33%
|
| F | 2 | Federated States of Micronesia | 33%
|
| L | 3 | Marshall Islands | 31%
|
| D | 3 | Trinidad and Tobago | 25%
|
| G | 2 | Georgia | 23%
|