Iteration

One might as easily say, "a lexia..."
One might as easily say, "a word..."
One might as easily say, "a spell..."
One might as easily say, "a meme..."
One might as easily say, "a shadow..."
One might as easily say, "an idea..."
One might as easily say, "a sign..."
One might as easily say, "a virus..."
One might as easily say, "a ghost..."