Дано множество 12: 14: 17: 29: запишите подмножество

Пустое множество, {12}, {14}, {17}, {29}, {12,14}, {12,17},{12,29},{14,17},{14,29},{17,29},{12,14,17},{12,14,29},{12,17,29},{14,17,29},{12,14,17,29}