8 9 10 11 12 13 Jon T. Sakata*, Cara M. Hampton, and Michael S. Brainard 14 15 Keck Center for Integrative Neuroscience, University of California, San Francisco, CA 16 94143-0444 17 18 19 20 Running title: Variability of syllable sequence and structure 21 22 23 24 25 26 27 28 29 30 31 32 33 34 * Corresponding author 35 Jon T. Sakata, PhD 36 Keck Center for Integrative Neuroscience 37 Department...