There are 64 subsets, and they are:{},
{A}, {1}, {2}, {3}, {4}, {5},
{A,1}, {A,2}, {A,3}, {A,4}, {A,5}, {1,2}, {1,3}, {1,4}, {1,5},
{2,3}, {2,4}, {2,5}, {3,4}, {3, 5}, {4,5},
{A, 1, 2}, {A, 1, 3}, {A, 1, 4}, {A, 1, 5}, {A, 2, 3}, {A, 2,
4}, {A, 2, 5}, {A, 3, 4}, {A, 3, 5}, {A, 4, 5},
{1, 2, 3}, {1, 2, 4}, {1, 2, 5}, {1, 3, 4}, {1, 3, 5}, {1, 4,
5}, {2, 3, 4}, {2, 3, 5}, {2, 4, 5}, {3, 4, 5},
{A, 1, 2, 3}, {A, 1, 2, 4}, {A, 1, 2, 5}, {A, 1, 3, 4}, {A, 1,
3, 5},
{A, 1, 4, 5}, {A, 2, 3, 4}, {A, 2, 3, 5}, {A, 2, 4, 5}, {A, 3,
4, 5},
{1, 2, 3, 4}, {1, 2, 3, 5}, {1, 2, 4, 5}, {1, 3, 4, 5}, {2, 3,
4, 5},
{A, 1, 2, 3, 4}, {A, 1, 2, 3, 5}, {A, 1, 2, 4, 5}, {A, 1, 3, 4,
5}, {A, 2, 3, 4, 5}, {1, 2, 3, 4, 5}
{A, 1, 2, 3,,4, 5} .