Yes, hold the index finger and middle finger of one hand (the index finger bypasses the front middle finger and the back middle finger) and wave.

Green is spelling. Raise your hand and straighten your thumb and forefinger. This is the letter l, the same hand is straight with the palm, and the thumb does not move. The other four fingers bend several times, the letter u.

Leaves: thumb and forefinger of both hands are opposite, and they are pulled left and right. The trajectory of the hand draws a leaf shape with two tips.