JSFiddle - React, Tailwind, and code Playground

HTML

<div id="foo">
</div>

CSS

ul {
    list-style: disc;
    padding-left: 40px;
}

JavaScript

// Takes input of a value between 1 and 26, inclusive, and converts it to the appropriate character
function alphaToChar(alpha)
{
    return String.fromCharCode('a'.charCodeAt() + alpha - 1);
}

var content = "<ul>";
for(i = 0; i < 10; ++i)
{
    content += "<li>";
    for(j = 1; j <= 26; ++j)
    {
        content += "<a href=\"" + alphaToChar(j) + ".html\">"
            + alphaToChar(j)
            + "</a>";
    }
    content += "</li>";
}
document.getElementById("foo").innerHTML = content;