Related Clues:

• Grunts
• Hesitant sounds
• Speech stumbles
• Sounds of hesitation
• Uncertain syllables
• Verbal stumbles
• Pauses in speech
• Speech pauses
• Hesitations
• Sounds of uncertainty
• Inarticulate pauses
• Sounds of doubt
• Stammerer's syllables
• Faltering sounds
• Speech fillers