It's not the three letter words that separates us from God, it's is the definition of the word "sin" that separates us from God.
Nice word play, Franklin, but I believe it's quite misleading as far as the audience/reader's behavioral responses to the message are in concern as far as the title goes.
Imagine if I give a talk titled: The three letter word that's our King! The three letter word people loves to keep as pet, etc.
From close analysis, one can be skeptical if the speaker wishes to tell the direct truth if it's harsh to accept. It is one thing to use wisdom, it's another to use craftiness.