Breaking the Schneier's 'Code'

Well its not exactly a code but if one thinks too much, they will never solve this so-called 'equation'... So here's the 'code'

OHOE

OEYN

KBTJ

i have no idea what i was looking at until someone posted a hint: 'The answer is staring right in front of you' and with that little movement of the page or my eyes, i solved it.... Can you?