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In a perfect world, a dividend-paying stock would not only maintain its payout but grow it for decades to come. Unfortunately, that's not always the case, with some companies forced to reduce dividends amid weakening market conditions. Over the past year,this has certainly been the case for the energy sector, which has seen its share of dividend reductions and suspensions. More payout reductions are likely on the way because a number of energy companies have what amount to embarrassingly unsustainable payouts. Here are three dividend stocks th