. "U/Twins" . "U" . . . . . . . . "U (Super Junior song)" . . . . . . . . . "U (Super Junior song)#U/Twins" . "U (Super Junior song)" . "U (Super Junior song)#Super Junior-M's cover" . "2006-06-07" . . . "U / Twins" . "of the same name" . . . . . . "\\\"U\\\" (Super Junior song)" . . "\\\"U\\\"" .