This is like a patent but with four selections and no single bets. So a yankee is 11 bets: 6 doubles; 4 trebles; 1 four-fold accumulator.
What is a Lucky 15?
This is the same as a yankee but it also includes four single bets on each of the four selections, hence there are 15 bets in total.
What is a Super Yankee?
A Super Yankee is the same as a yankee but it involves five selections. A super yankee consists of 26 bets: 10 doubles; 10 trebles; 5 four-fold accumulators; 1 five-fold.
What is a Lucky 31?
This is the same as a super yankee but it also includes the five single bets on each of the four selections, so there are 31 bets in total.