| Vowel-less name | Country | % Correct |
|---|---|---|
| ZRBJN | Azerbaijan | 100%
|
| BHMS | Bahamas | 100%
|
| BHRN | Bahrain | 100%
|
| BNGLDSH | Bangladesh | 100%
|
| BRBDS | Barbados | 100%
|
| BLRS | Belarus | 100%
|
| BLGM | Belgium | 100%
|
| BLZ | Belize | 100%
|
| BNN | Benin | 100%
|
| BLV | Bolivia | 100%
|
| BSN ND HRZGVN | Bosnia and Herzegovina | 100%
|
| BTSWN | Botswana | 100%
|
| BRN | Brunei | 100%
|
| BLGR | Bulgaria | 100%
|
| BRKN FS | Burkina Faso | 100%
|
| CMBD | Cambodia | 100%
|
| CND | Canada | 100%
|
| CP VRD | Cape Verde | 100%
|
| CHD | Chad | 100%
|
| CHN | China | 100%
|
| CLMB | Colombia | 100%
|
| CST RC | Costa Rica | 100%
|
| CPRS | Cyprus | 100%
|
| CZCH RPBLC | Czech Republic | 100%
|
| DMCRTC RPBLC F TH CNG | Democratic Republic of the Congo | 100%
|
| DNMRK | Denmark | 100%
|
| DJBT | Djibouti | 100%
|
| DMNC | Dominica | 100%
|
| DMNCN RPBLC | Dominican Republic | 100%
|
| L SLVDR | El Salvador | 100%
|
| FDRTD STTS F MCRNS | Federated States of Micronesia | 100%
|
| FJ | Fiji | 100%
|
| FNLND | Finland | 100%
|
| FRNC | France | 100%
|
| GBN | Gabon | 100%
|
| GMB | Gambia | 100%
|
| GRG | Georgia | 100%
|
| GRMN | Germany | 100%
|
| GHN | Ghana | 100%
|
| GRC | Greece | 100%
|
| GRND | Grenada | 100%
|
| GN-BSS | Guinea-Bissau | 100%
|
| HT | Haiti | 100%
|
| HNGR | Hungary | 100%
|
| RQ | Iraq | 100%
|
| RLND | Ireland | 100%
|
| TL | Italy | 100%
|
| JMC | Jamaica | 100%
|
| JPN | Japan | 100%
|
| JRDN | Jordan | 100%
|
| KZKHSTN | Kazakhstan | 100%
|
| KNY | Kenya | 100%
|
| KRBT | Kiribati | 100%
|
| KSV | Kosovo | 100%
|
| LTV | Latvia | 100%
|
| LBNN | Lebanon | 100%
|
| LSTH | Lesotho | 100%
|
| LBR | Liberia | 100%
|
| LBY | Libya | 100%
|
| LCHTNSTN | Liechtenstein | 100%
|
| LXMBRG | Luxembourg | 100%
|
| ML | Mali | 100%
|
| MLT | Malta | 100%
|
| MRSHLL SLNDS | Marshall Islands | 100%
|
| MXC | Mexico | 100%
|
| MNTNGR | Montenegro | 100%
|
| MRCC | Morocco | 100%
|
| MZMBQ | Mozambique | 100%
|
| NMB | Namibia | 100%
|
| NTHRLNDS | Netherlands | 100%
|
| NW ZLND | New Zealand | 100%
|
| NRTH KR | North Korea | 100%
|
| NRTH MCDN | North Macedonia | 100%
|
| PKSTN | Pakistan | 100%
|
| PL | Palau | 100%
|
| PP NW GN | Papua New Guinea | 100%
|
| PHLPPNS | Philippines | 100%
|
| PLND | Poland | 100%
|
| PRTGL | Portugal | 100%
|
| QTR | Qatar | 100%
|
| RPBLC F TH CNG | Republic of the Congo | 100%
|
| RSS | Russia | 100%
|
| RWND | Rwanda | 100%
|
| SNT KTTS ND NVS | Saint Kitts and Nevis | 100%
|
| SNT LC | Saint Lucia | 100%
|
| SNT VNCNT ND TH GRNDNS | Saint Vincent and the Grenadines | 100%
|
| SM | Samoa | 100%
|
| SN MRN | San Marino | 100%
|
| SD RB | Saudi Arabia | 100%
|
| SNGL | Senegal | 100%
|
| SRB | Serbia | 100%
|
| SCHLLS | Seychelles | 100%
|
| SNGPR | Singapore | 100%
|
| SLVK | Slovakia | 100%
|
| SML | Somalia | 100%
|
| STH KR | South Korea | 100%
|
| STH SDN | South Sudan | 100%
|
| SPN | Spain | 100%
|
| SR LNK | Sri Lanka | 100%
|
| SDN | Sudan | 100%
|
| SWDN | Sweden | 100%
|
| SWTZRLND | Switzerland | 100%
|
| TWN | Taiwan | 100%
|
| TNZN | Tanzania | 100%
|
| THLND | Thailand | 100%
|
| TG | Togo | 100%
|
| TRK | Turkey | 100%
|
| TRKMNSTN | Turkmenistan | 100%
|
| TVL | Tuvalu | 100%
|
| NTD KNGDM | United Kingdom | 100%
|
| VTCN CT | Vatican City | 100%
|
| VNZL | Venezuela | 100%
|
| VTNM | Vietnam | 100%
|
| YMN | Yemen | 100%
|
| ZMB | Zambia | 100%
|
| ZMBBW | Zimbabwe | 100%
|
| BHTN | Bhutan | 91%
|
| BRND | Burundi | 91%
|
| SRNM | Suriname | 91%
|
| BRZL | Brazil | 90%
|
| CNTRL FRCN RPBLC | Central African Republic | 89%
|
| STRL | Australia | 88%
|
| CB | Cuba | 88%
|
| GTML | Guatemala | 88%
|
| ZBKSTN | Uzbekistan | 88%
|
| FGHNSTN | Afghanistan | 86%
|
| GN | Guinea | Guyana | 86%
|
| VR CST | Ivory Coast | 86%
|
| KWT | Kuwait | 86%
|
| NGR | Niger | Nigeria | 86%
|
| TJKSTN | Tajikistan | 86%
|
| ST TMR | East Timor | 83%
|
| HNDRS | Honduras | 83%
|
| RN | Iran | 83%
|
| MDGSCR | Madagascar | 83%
|
| NPL | Nepal | 83%
|
| PR | Peru | 83%
|
| SLMN SLNDS | Solomon Islands | 83%
|
| STH FRC | South Africa | 83%
|
| LTHN | Lithuania | 82%
|
| RMN | Armenia | Romania | 80%
|
| QTRL GN | Equatorial Guinea | 80%
|
| MLW | Malawi | 80%
|
| MLDV | Moldova | 80%
|
| S TM ND PRNCP | São Tomé and Príncipe | 80%
|
| TNG | Tonga | 80%
|
| TRNDD ND TBG | Trinidad and Tobago | 80%
|
| NTD RB MRTS | United Arab Emirates | 80%
|
| VNT | Vanuatu | 80%
|
| CRT | Croatia | 78%
|
| PRG | Paraguay | 78%
|
| NDRR | Andorra | 75%
|
| CMRN | Cameroon | 75%
|
| CHL | Chile | 75%
|
| CMRS | Comoros | 75%
|
| KRGYZSTN | Kyrgyzstan | 75%
|
| MLDVS | Maldives | 75%
|
| MRTN | Mauritania | 75%
|
| MNGL | Mongolia | 75%
|
| MNMR | Myanmar | 75%
|
| MN | Oman | 75%
|
| PNM | Panama | 75%
|
| SRR LN | Sierra Leone | 75%
|
| SLVN | Slovenia | 75%
|
| NTG ND BRBD | Antigua and Barbuda | 71%
|
| CDR | Ecuador | 71%
|
| LGR | Algeria | 70%
|
| LBN | Albania | 67%
|
| RGNTN | Argentina | 67%
|
| GPT | Egypt | 67%
|
| SWTN | Eswatini | 67%
|
| THP | Ethiopia | 67%
|
| CLND | Iceland | 67%
|
| ND | India | 67%
|
| SRL | Israel | 67%
|
| MLS | Malaysia | 67%
|
| MRTS | Mauritius | 67%
|
| NCRG | Nicaragua | 67%
|
| NRW | Norway | 67%
|
| SR | Syria | 67%
|
| GND | Uganda | 67%
|
| NGL | Angola | 60%
|
| LS | Laos | 60%
|
| TNS | Tunisia | 60%
|
| NTD STTS | United States | 60%
|
| MNC | Monaco | 57%
|
| RTR | Eritrea | 50%
|
| STN | Estonia | 50%
|
| NR | Nauru | 50%
|
| RG | Uruguay | 50%
|
| STR | Austria | 40%
|
| KRN | Ukraine | 40%
|
| NDNS | Indonesia | 33%
|