Up until 10 to 20 years ago you would hear the same nicknames over and over again.
This can be split up into 44 consonants and 28 vowels.
As a traveler, you may well be looking for an authentic Thai cultural experience rather than a tourist-orientated one.
You can also adopt a Thai nickname if you want.
This means that books and websites will write out a Thai word using the Latin alphabet in different ways.
, sive siamensis, interpretatione latina, gallica et anglica illustratum: Thai-Latin-French-English dictionary, by Jean-Baptiste Pallegoix 1854• Otherwise, I'm just guessing and you'll get something that makes no sense at all.