Related Clues:

• "E.T. ___ home"
• Short conversation
• It has a ring to it
• Couplet part
• Part of a sentence
• Quaint souvenir
• Use a PDA, perhaps
• Bus system
• Toe the __ (behave oneself)
• Thing at the end of the line?
• ''Mum's the __!''
• Group of bus routes
• People waiting
• 'Come here often?', e.g.
• Rare objet d'art