Before reading further in this article, the reader is invited to ponder the title. What is unusual about it - what property do the words have that is shared by relatively few other words?
Eckler, A. Ross
"Unsociable Housemaid Discourages Facetious Behavior,"
Word Ways: Vol. 2
, Article 6.
Available at: http://digitalcommons.butler.edu/wordways/vol2/iss4/6