Question

an experiment consistbnof tossing a die and then flipping a coin once if the number on the die is even. If the number on the die is odd, the coin is flipped twice. Using the notation 4H, for example to denote an event that die comes up 4 and then the coin comes up heads, and 3HT to denote another event that the die comes up 3 followed by a head and a tail on the coin, list 18 elements of the sample space.