JSFiddle - React, Tailwind, and code Playground

CSS

body {
  white-space: pre;
}

JavaScript

var codeGen = n=>n.toString(36);

var out = '';
for (var i=0; i<100; i++) {
  out += i + "\t" + codeGen(i).toUpperCase() + "\n";
}
document.body.innerHTML = out;