Ten Sephiroth of Nothingness

Are these pure numbers or are they also the letters which represent the numbers?

1 - א - The Spirit of the Living God

2 - ב - Breath from Spirit

3 - ג - Water from Breath

4 - ד - Fire from Water

5 - ה - up

6 - ו - down

7 - ז - East

8 - ח - West

9 - ט - North

10 - י - South

Notes

Sepher Yetzirah 1.3 Ten Sephiroth of Nothingness, the number of ten fingers, five opposite five with a singular covenant exactly in the middle in the circumcision of the tongue and the circumcision of the flesh.

Sepher Yetzirah 1.14 These are the Ten Sephiroth of Nothingness: The Spirit of the Living God, Breath from Spirit, Water from Breath, Fire from Water, up, down, East, West, North, South.