Well, we were supposed to have "over" and "under" on verbal only cues by the end of this month. However, I was a bit lax on my training.
Instead of verbal cues, the dogs are using the 'ol trial and error method. Sometimes they get lucky, sometimes, not so much. I do think Oreo knows the difference, but he doesn't always pay attention to what I'm saying. Chewy, well, he's a work in progress.
We also worked on switching from "heel" to my other "side". Both of them are pretty good at that move, since we've done so much perchwork.