Fruits - feel free to substitute X fruit with apples, kiwi, tangerine, pear, nectarine, peach, orange, plum, mango, pineapple, pomegranate, melon, watermelon. Also, you could substitute it with berries such as strawberries, blueberries, raspberries, blackberries, cherries, cranberries.
Berries - feel free to substitute X berries with strawberries, blueberries, raspberries, blackberries, cherries, cranberries.
Low sugar berries: raspberries, strawberries, blackberries, cranberries.
Low sugar fruits: kiwi, grapefruit, green apple, lemon, lime, also you could choose berries such as raspberries, strawberries, blackberries, cranberries.