Points only, goal bonus, which D duo would you take for the next 6 years?

Boston: Chara / Hamilton

Chicago: Keith / Leddy

Montreal: Markov / Subban

Ottawa: Karlsson / Cigar Store Indian

Phoenix: Yandle / OEL

St. Louis: Pietrangelo / Shattenkirk

Washington: Green / Carlson

Winnipeg: Enstrom / Byfuglien

Other

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6-GM, Wk-H2H, Keep 40
START = 13F, 6D, 2G
F Pts = G (2), A (1), PP/SH (+1), GW (+2)
D Pts = G (3), A (2), PP/SH (+1), GW (+2)
G Pts = W (3), OTL (1), SO (+2), SV (.10)

F: Backstrom, Kopitar, Perry, P.Kane, Spezza, E.Staal, Nash, Vanek, Couture, B.Ryan, Eberle, J.Staal, D.Brown, Lucic, N.Horton, Backes, Tarasenko, van Riemsdyk, T.Ennis, B.Gallagher, Armia, Teravainen
D: Karlsson, P.Subban, Pietrangelo, Shattenkirk, Doughty, Yandle, Chara, Kronwall, J.Johnson, Myers, J.Faulk, E.Johnson, A.Larsson, J.Morrow, S.Elliott, M.Rielly, Ceci
G: Price, Rask, M.Smith, Hiller