‘Aishah said that the prophet ﷺ used to say when bowing and prostrating, “All-Glorious, All-Holy, Lord of the angels and spirit. (Using translation from Abū Dāʾūd 872)  

كَانَ رَسُولُ اللهِ ﷺ يَقُولُ فِي رُكُوعِهِ وَسُجُودِهِ «سُبُّوحٌ قُدُّوسٌ رَبُّ الْمَلَائِكَةِ وَالرُّوحِ»