When we practice Loving-Kindness (metta) we perform 528 unique exercises: 12 types of beings x 4 types of metta is 48 exerecises plus 12 types of beings x 4 types of metta x 10 directions is 480 exercises. This is a total of 528 exercises of Loving-Kindness.
When we practice Compassion(karuna), Sympathetic Joy(mudita) and Equanimity (upekkha) we perform 128 unique exercises for each of the practices: 12 types of beings x 1 practice area (karuma, mudita, upekkha) is 12 exercises plus 12 types of beings x 1 type of practice area x 10 directions is 120 exercises. This is a total of 128 exercises per practice area.
With 528 metta practicee, 128 karuna, 128 mudita, and 128 upekkha there are 912 unique exercises in the Four Noble Practice areas. However, when performing these practices in a group we often will use an abbreviated form.
The abbreviated chanting is found below:
Sabbe satta, Sabe pana, Sabbe bhuta, Sabbe puggala, Sabe attabhava pariyapanna
May all beings, may all breathing beings, may all creatures, may all persons, may all with bodies
Avera hontu, Abyapajja hontu, Anigha hunto, Sukhi attanam pariharantu,
Be free from enmity, be free from distress, be free from anxiety, Live happily
Dukkha muccantu, Yatha laddha sampattito ma-vigaccantu, Kammassaka
Be relieved of suffering, Not loose what they possess, May they have kamma as their own
Sabba itthiyo, Sabbe purisa, Sabbe ariya, Sabbe anariya,
May all women, May all men, May all noble ones, May all not noble ones
Sabbe deva, Sabbe manussa, Sabbe vinipatika
May all deities, May all human beings, May all those in unhappy states
Avera hontu, Abyapajja hontu, Anigha hunto, Sukhi attanam pariharantu,
Be free from enmity, be free from distress, be free from anxiety, Live happily
Dukkha muccantu, Yatha laddha sampattito ma-vigaccantu, Kammassaka
Be relieved of suffering, Not loose what they possess, May they have kamma as their own
Puratthimaya disaya, Dakkhinaya disaya, Pacchimaya disaya, Uttaraya disaya
In the east direction, In the south direction, In the west direction, In the North direction
Puratthimaya-anudisaya, Dakkhinaya-anudisaya, Pacchimaya-anudisaya, Uttaraya-anudisaya
In the east-south direction, In the south-west direction, In the west-north direction, In the north-east direction
Uparimaya-disaya, Hetthimaya-disaya
In the upward direction, in the downward direction
Sabbe satta, Sabe pana, Sabbe bhuta, Sabbe puggala, Sabe attanam pariyapanna
May all beings, may all breathing beings, may all creatures, may all persons, may all with bodies
Avera hontu, Abyapajja hontu, Anigha hunto, Sukhi attabhava pariharantu,
Be free from enmity, be free from distress, be free from anxiety, Live happily
Dukkha muccantu, Yatha laddha sampattito ma-vigaccantu, Kammassaka
Be relieved of suffering, Not loose what they possess, May they have kamma as their own
Sabba itthiyo, Sabbe purisa, Sabbe ariya, Sabbe anariya,
May all women, May all men, May all noble ones, May all not noble ones
Sabbe deva, Sabbe manussa, Sabbe vinipatika
May all deities, May all human beings, May all those in unhappy states
Avera hontu, Abyapajja hontu, Anigha hunto, Sukhi attanam pariharaontu,
Be free from enmity, be free from distress, be free from anxiety, Live happily
Dukkha muccantu, Yatha laddha sampattito ma-vigaccantu, Kammassaka
Be relieved of suffering, Not loose what they possess, May they have kamma as their own