Online Calculator to create combinations with conditions

The concept is more of like , but the changes are as follows.

There will be Four Teams: T1 , T2 , T3 and T4 . Each Team will have 5 or more Players.

Max/Min Players to be selected from each team will be 1.

The combination size will be of 4 in each case.

Can you please build this for me?

Thanks in advance.

This is a request for a calculator left by a user.

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