Fill in the blanks based on the Hindu Succession Act, 1956 as to the relation by blood.
Two persons are said to be related to each other by __________ when they are descended from a common ancestor by the same wife, and by __________ when they are descended from a common ancestor, but by different wives; two persons are said to be related to each other by __________ when they are descended from a common ancestress but by different husbands.