Looks like [1] the only letters not yet taken are: H, I, N, O, U, V, W, Y, and Z? Changes depending on whether you&#x27;re allowing characters.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_programming_languages" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_programming_languages</a>