Dragoon= Strength and Piety
White Mage= Mind and Vitality
Warrior= Strength and Vitality
Paladin= Vitality and Mind
Monk= Strength and Intelligence
Bard= Dexterity and Piety
Black Mage= Intelligence and Mind

You will end up with 23 in one, 22 in another at Lv 50. Use your best judgement/personal preference with the extra point.