| Vowels | Answer | % Correct |
|---|---|---|
| EIOU | United Kingdom | 93%
|
| AEIO | Slovenia | 79%
|
| AEIU | United Arab Emirates | 79%
|
| AEIO | F.S.Micronesia | 71%
|
| AEIO | North Macedonia | 71%
|
| AEOU | South Korea | 71%
|
| AEIO | Bosnia and Herzegovina | 64%
|
| AEIOU | Mozambique | 64%
|
| AEIU | Papua New Guinea | 64%
|
| AEIO | Sao Tome and Principe | 64%
|
| AEIU | Central African Republic | 57%
|
| AEIOU | Dominican Republic | 57%
|
| AEIOU | D.R.Congo | 57%
|
| AEIO | Indonesia | 57%
|
| AIOU | South Africa | 57%
|
| AEIU | Ukraine | 57%
|
| AEIOU | Equatorial Guinea | 50%
|
| AEIU | Guinea | 50%
|
| AEIU | Guinea Bissau | 50%
|
| EIOU | Republic of the Congo | 50%
|
| AEIU | Turkmenistan | 50%
|
| AEIU | Uzbekistan | 50%
|
| AEIO | Ethiopia | 43%
|
| AIOU | Burkina Faso | 36%
|
| AEIO | Estonia | 36%
|
| AEIO | Sierra Leone | 36%
|
| AEIO | Singapore | 36%
|
| AEIU | Suriname | 36%
|
| AEIO | East Timor | 21%
|
| AEOU | Ecuador | 21%
|
| AEIO | Georgia | 14%
|