In spite of suffering from a fever, nasal congestion and viral conjunctivitis, Baby A has started waving in earnest and accompanying the wave with what sounds like "hola!" Which isn't terribly surprising since Adriana has been telling me A's been trying to wave at daycare, where they mostly speak Spanish.
Interestingly enough, her wave isn't the typical up-and-down "bye-bye" wave most babies do, but more of an over-the-head, side-to-side, getting-down-in-the-club wave.