take some samples
Enha shaman : http://www.wow-europe.com/en/info/basics/talents/shaman/talents.html?tal=0000000000000000000050250021050213353115105205301000000000000
Elemental Shaman : http://www.wow-europe.com/en/info/basics/talents/shaman/talents.html?tal=5500014500021335105100000000000000000000005105301005000000000
don't have any for resto shaman but i think full resto with 5 points in Ancestral Knowledge is a good way:)