The dearest words to Allah are four

سُبْحَانَ اللهِ

‘SubhanAllah’

(Glory be to Allah)

الْحَمْدُ لله

‘Alhamdulillah’

(Praise be to Allah)

لَا إِلَهَ إِلَّا الله

‘La ilaha illallah’

(There is no god but Allah)

اللهُ أَكْبَر

Allahu Akbar 

(Allah is the Greatest)