Whilst prostrating [sujood] #3

سُبُّوْحٌ، قُدُّوْسٌ، رَبُّ الْمَلَائِكَةِ وَالرُّوْحِ

Glory (to You), Most Holy (are You), Lord of the angels and the Spirit.

Subboohun, Quddoosun, Rabbul-malaa'ikati warrooh.