. "Lissajous patterns" . "Lissajous-curve" . "Lissajous pattern" . . . "Lissajous curve" . "Lissajous" . . "figure eight" . "Lissajous Curve" . . . "triple eight pattern" . "Lissajous curve" . . "lissajous figures" . . "Lissajous figures" . . . "Lissajous figure" . "spiral" . . "Bowditch curve" . .