v.1-2a = formerly characterized by a sinful life-style
v. 2b-3 = formerly influenced by evil cosmic forces and our sinful nature
Ephesians 2:5-10 = a description of the Divine initiative that remedied our sinful state
v. 4-5a = the basis of the Divine initiative
v. 5b-7 = the effects of the Divine initiative (a three-fold description of our "union with Christ")
v. 8-10 = a summary of the Gospel that achieves our "union with Christ"
v. 8-9 = how God effects our salvation
v. 10 = the purpose of our salvation
A more detailed analysis to come!