First.. I'd get some aromasin instead of letro for your AI. Letro would be just too strong. Check out AG-Guys.com for the best research chems in the business.
Here's how I would draw up your cycle.
1-10 Test E, 500mg/week
1-4 D-Bol, 25mg/day
7-12 Anavar, 50-75mg/day
1-12 Aromasin, 12.5mg/day
1-12 N2Guard,
5-12 HCGenerate
9-12 HCG, 1000iu/week
13-16 Clomid, 50/50/25/25
13-16 Nolva, 40/40/20/20
13-18 N2BM Liquidex, 2ml/day
13-16 HCGenerate
13-16 Unleashed
13-16 D-AA