Hisnul Muslim 39

Upon rising from the rukoo

رَبَّنَا وَلَكَ الْحَمْدُ، حَمْداً كَثِيراً طَيِّباً مُبَارَكاً فِيهِ

Rabbanaa wa lakal-hamd, hamdan i katheeran tayyiban mubaarakanfeeh.

Our Lord, praise is Yours, abundant, good and blessed praise.