From what I could understand, we are supposed to use all the countries to form one acronym that will help us remember their names. That's how acronyms work. Another word for acronym would be initialism.
We could easily form the acronym CHAT with the first letter of each country's name: Cyprus, Haiti, Argentina, Thailand. The fact that "chat" is a real word makes it easier to pronounce and memorize.
Hmm okay Haiti it made up acronym HT Argentina its made up acronym ARG Cyprus its made up acronym CY Thailand its made up acronym Thai hope this helps Betty Boop