Not that John Tortorella has the answers fresh after a game, but he might have stumbled upon a line combination that he may use going forward for the Vegas Golden Knights . Tortorella shuffled his lines with the Knights scrounging for offense in their 3-1 loss to the Anaheim Ducks in Game 2 on Wednesday. One combination he landed on was center William Karlsson skating with Mitch Marner, moving him back to the wing, along with leading goal scorer Brett Howden. That line had a 4-1 edge in shot attempts in 3:51 of 5-on-5 time, according to Natural Stat Trick, and had some of the Knights’ dangerous chances in the third period. “I don’t know what the lines are going to be,” Tortorella said, adding that he thought Karlsson “felt more comfortable tonight.” Karlsson, playing in his second game since returning from a near-six-month absence because of a lower-body injury, said he felt more rust come off.…