Question: How to rank order users using multiple Server Groups

There are a total of 5 server groups involved and 4 users.

Talk power is given as:
Red - 10
Blue - ? (my question)
Admiral - 50
Captain - 40
USA - []

The users are labeled
User 1:--------------------User 2:---------------User 3:------------User 4:
USA ----------------------USA-------------------USA----------------USA

My goal is for the users to be listed:
Red Admiral
Red Captain
Blue Admiral
Blue Captain

How can this be done by only altering the permissions of Blue server group and using only one Admiral and one Captain Server Group?