Quad stretches because it requires balance and stretches the legs. Butterfly, sitting squat, leg out (both sides), leg out with a flexed foot, runners lunge, back around. Downward dog also does pretty good because it uses the shoulders and stretches the heels.
Try the morning yoga flow you can find on the explore page or the instagram of fabulous. It's short, and will focus on stretching your legs, shoulders and back.