Hisnul Muslim 43

While sujood

سُبُّوحٌ، قُدُّسٌ، رَبُّ الْمَلَائِكَةِ وَالرُّوحِ

Subboohun, Quddoosun, Rabbul-malaa'ikati warrooh.

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