سُبْحَانَ اللّهِ ، والْحَمْدُللّهِ ، وَ لا اِلهَ اِلَّا اللّهُ ، وَ اللّهُ اَكْبَرُ-  SubhanAllah, walHamdulilah, wa La illaha ilAllahu, waAllahu Akbar (Glory be to Allah, All Praise is for Allah, There is No God but Allah, Allah is the Greatest).

The above are mentioned as the four most beloved words to Allah. It does not matter with which one of them is begun.
[Sahih Muslim; #3:1685.]

Prophet Muhammad said: “For me to say (the above) is dearer to me and all that the sun rises upon (ie the whole world.
[Sahih Muslim; #4:2072].

Abd Allah ibn Mas’ud reported that the Prophet said: “During the Night Journey I met Ibrahim (alayhis salam) who said to me: ‘O Muhammad, convey my greetings to your Community, and tell them that the Paradise is of pure land, its water is sweet, and its expanse is vast, spacious and even. And its seedlings are SubhanAllah, walhamdulilah, wa la ilaha ilAllah, waAllahu Akbar.
[Tirmidhi and Tabarani ]