Here is the list of all available GA tokens for reports:
[ga.visits] – Displays the Number Visits during the selected date range
[ga.pageviews] – Displays the Number of Page Views during the selected date range
[ga.pages.visit] – Displays the Number of Page visit during the selected date range
[ga.bounce.rate] – Displays the Bounce Rate during the selected date range
[ga.avg.time] – Displays the Average Visit Time during the selected date range
[ga.new.visits] – Displays the Number of New Visits during the selected date range
[ga.visits.chart] – Displays a chart for the selected date range