| First Letter | Last Letter | Country | % Correct |
|---|---|---|---|
| D | K | Denmark | 100%
|
| I | Q | Iraq | 100%
|
| K | O | Kosovo | 100%
|
| P | Y | Paraguay | 100%
|
| Q | R | Qatar | 100%
|
| U | A | Uganda | 100%
|
| V | U | Vanuatu | 100%
|
| V | M | Vietnam | 100%
|
| Y | N | Yemen | 100%
|
| Z | A | Zambia | 100%
|
| Z | E | Zimbabwe | 94%
|
| O | N | Oman | 93%
|
| F | E | France | 92%
|
| H | Y | Hungary | 91%
|
| I | N | Iran | 91%
|
| T | U | Tuvalu | 91%
|
| F | D | Finland | 90%
|
| K | A | Kenya | 90%
|
| H | S | Honduras | 89%
|
| K | I | Kiribati | 86%
|
| K | T | Kuwait | 85%
|
| P | D | Poland | 85%
|
| U | Y | Uruguay | 85%
|
| T | Y | Turkey | 83%
|
| H | I | Haiti | 80%
|
| N | Y | Norway | 80%
|
| C | N | Cameroon | 78%
|
| V | A | Venezuela | 78%
|
| N | R | Niger | 77%
|
| D | I | Djibouti | 75%
|
| L | O | Lesotho | 75%
|
| L | G | Luxembourg | 75%
|
| N | U | Nauru | 75%
|
| B | E | Belize | 73%
|
| G | Y | Germany | 73%
|
| U | N | Uzbekistan | 73%
|
| D | A | Dominica | 71%
|
| E | T | Egypt | 71%
|
| G | N | Gabon | 71%
|
| L | S | Laos | 71%
|
| J | A | Jamaica | 70%
|
| V | Y | Vatican City | 70%
|
| I | T | Ivory Coast | 67%
|
| S | L | Senegal | 67%
|
| F | I | Fiji | 64%
|
| S | D | Switzerland | 64%
|
| C | D | Chad | 63%
|
| D | C | Dominican Republic | 63%
|
| I | Y | Italy | 62%
|
| N | L | Nepal | 61%
|
| U | M | United Kingdom | 60%
|
| G | E | Greece | 57%
|
| B | M | Belgium | 56%
|
| B | H | Bangladesh | 56%
|
| E | I | Eswatini | 56%
|
| P | S | Philippines | 56%
|
| P | L | Portugal | 53%
|
| D | O | D. R. Congo | 50%
|
| I | L | Israel | 50%
|
| M | E | Mozambique | 46%
|
| G | U | Guinea-Bissau | 45%
|
| B | O | Burkina Faso | 44%
|
| F | A | F. S. Micronesia | 40%
|
| T | D | Thailand | 40%
|
| N | S | Netherlands | 38%
|
| N | D | New Zealand | 33%
|
| P | N | Pakistan | 33%
|
| U | E | Ukraine | 29%
|
| S | O | San Marino | 25%
|
| R | O | Republic of the Congo | 14%
|
| B | L | Brazil | 13%
|