Friday: The Litany.

According to the rubric, the Litany is to be said after Morning Prayer on Sundays, Wednesdays, and Fridays.

Here followeth the Litany, or General Supplication, to be sung or said after Morning Prayer, upon Sundays, Wednesdays, and Fridays, and at other times when it shall be commanded by the Ordinary.

GOD the Father, of heaven : have mercy upon us miserable sinners.
   O God the Father, of heaven : have mercy upon us miserable sinners.
   O God the Son, Redeemer of the world : have mercy upon us miserable sinners.
   O God the Son, Redeemer of the world : have mercy upon us miserable sinners.
   O God the Holy Ghost, proceeding from the Father and the Son: have mercy upon us miserable sinners.
   O God the Holy Ghost, proceeding from the Father and the Son : have mercy upon us miserable sinners.
   O holy, blessed, and glorious Trinity, three Persons and one God : have mercy upon us miserable sinners.
   O holy, blessed, and glorious Trinity, three Persons and one God : have mercy upon us miserable sinners.

   Remember not, Lord, our offences, nor the offences of our forefathers; neither take thou vengeance of our sins: Spare us, good Lord, spare thy people, whom thou hast redeemed with thy most precious blood, and be not angry with us for ever.
       Spare us, good Lord.

To read the rest of the Litany click here:  The Litany.