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Hierarchical clustering (A) and an MDS plot (B) of context-specific changes in the proportion of each syllable type; Upward (Up), Downward (Dn), Flat (F), Chevron (Cv), U shape (U), Wave (W), Complex (Cp), One jump short (OJs), One jump long (OJl), Multiple jumps short (MJs), Multiple jumps long (MJl), and Harmonics (H).
