As far as I know there is no mix and match plan offered where you can customize the programs you get for some special price. Look at the plans and compare the costs for the individual subscrptions for each versus the cost of having a full subscription.
Creative Cloud Plans
You may buy complete, or any individual program
Cloud Plans https://creative.adobe.com/plans
-and subscription terms http://www.adobe.com/misc/subscription_terms.html
-what is in the entire Cloud http://www.adobe.com/creativecloud/catalog/desktop.html