Facebook Security Word Poetry, an addendum

All right.

I'm a Facebook newbie.

These security "passwords" are common for many sites, including here.

In Facebook it says:

"Enter both words below, separated by a space."

Has the definition of words been so broadened as to include any combination of letters, letters and numbers, and so on -- in a quasi-English syntactical fashion?

Or are all these "words" in the latest O.E.D. Supplement?