How many different kinds of wallpaper can you take out from one of the following two coins?

Take one of the two coins below and take out four different wallpapers. * * * There are four different results: 2 heads, 2 tails, 1 head, 2 tails, 1 tail, 2 heads. There is a head. A tail has two results, and the probability is 24= 12.