Can I combine two sets of combinations?

I want to combine/merge two sets of numbers into 1 set.Is this possible?
EX. set 1- (1,2)
set 2- (3,4)
set 3- (5,6)
set 4- (7,8)
into a result of (1,2,3,4)
(1,2,5,6)
(1,2,7,8)
(3,4,5,6)
(3,4,7,8)
(5,6,7,8 )

Jeffrey K2018-12-21T01:44:10Z

Sure. That is called the union of two sets. A U B

Anonymous2018-12-20T04:04:36Z

yes, make it a meal please