Etaoin shrdlu, the classic 12 most frequent letters, make up 46% of the alphabet and are the first letters on 55% of Web3 pages, so one would expect lots of words to contain these letters alone.
"Etaoin Shrdlu Words,"
Word Ways: Vol. 49
, Article 8.
Available at: http://digitalcommons.butler.edu/wordways/vol49/iss4/8