Try G major, D major, DAGGAD, Drop D raised 5th, Drop D lowered 5th and 6th, Bb, I have dozens. Go to this site and I can show you.

http://www.cousinernie.com


1)DADGBe
2)CGCFAd
3)CGCGBe
4)DFCGbe
5)DGCFAd
6)DGDGBe
7)ADGGBe
8)ADGCFa (simulated 7 srting 1 step down)
9)BEADGB (simulated 7 string normal tune)
10)CFCFAd