From an instructor point of view, you could cover it from a new aspect. When do divers need their buddy most? OOA situations, so why not have a pair of divers performing a buddy ascent with your phrase: "who`s your buddy?" It would most likely look best on the back, that way the ScubaNymphs can show their assets (as it was so eloquently put).
An interlaced D B could be on the front where the D passes through both openings of the B.