Related Clues:

• Express relief
• ['Tis a pity!]
• Breathe heavily
• Weary sound
• Sound of impatience
• [Ah, me]
• One may be heaved
• Note of resignation
• Sound of sadness
• Nostalgic person's utterance
• :-<, in a chat room
• Expression of regret
• Frustration exhalation
• Sound of regret
• Beginning of relief?