In more recent letter frequency analysis[1] the letter C makes the cut. The distribution also reminds me of anomaly detection using Benford's Law[2]. Wikipedia provides equivalent strings for other languages[3].

[1]http://norvig.com/mayzner.html

[2]https://en.m.wikipedia.org/wiki/Benford%27s_law

[3]https://en.wikipedia.org/wiki/Letter_frequency