| Heterogram | Country | % Correct |
|---|---|---|
| ABCU | Cuba | 100%
|
| BEILZ | Belize | 97%
|
| AMNP | Panama | 97%
|
| ACDN | Canada | 96%
|
| AHIT | Haiti | 96%
|
| CEIMOX | Mexico | 96%
|
| ABHMS | Bahamas | 94%
|
| ACIJM | Jamaica | 94%
|
| ACDIMNO | Dominica | 91%
|
| ADEGNR | Grenada | 90%
|
| ABDORS | Barbados | 89%
|
| ABCDEILMNOPRU | Dominican Republic | 88%
|
| AEGLMTU | Guatemala | 88%
|
| ADHNORSU | Honduras | 87%
|
| ACIORST | Costa Rica | 86%
|
| ADELORSV | El Salvador | 86%
|
| ACGINRU | Nicaragua | 85%
|
| ACDEGHINRSTV | Saint Vincent and the Grenadines | 84%
|
| ABDGINORT | Trinidad and Tobago | 83%
|
| ADEIKNSTV | Saint Kitts and Nevis | 82%
|
| ACILNSTU | Saint Lucia | 79%
|
| ADEINSTU | United States | 79%
|
| ABDGINRTU | Antigua and Barbuda | 77%
|