Possible Clues:

• When doubled, an American capital
• When doubled, a Samoan port
• When doubled, a Polynesian capital
• Polynesian port, when doubled
• First half of a Samoan city
• Vino de ___ (Spanish wine designation)
• When repeated, a Polynesian capital
• When repeated, a Pacific port
• When doubled, a South Pacific capital
• When doubled, American Samoa's capital