3. Main dhikrs for the first ten days of Dhul Hijjah

Takbeer

اللّٰهُ أَكْبَرُ، اللّٰهُ أَكْبَرُ، لَا إِلٰهَ إِلَّا اللّٰهُ، وَاللّٰهُ أَكْبَرُ، اللّٰهُ أَكْبَرُ، وَلِلّٰهِ الْحَمْدُ

Transliteration:
Allāhu Akbar, Allāhu Akbar, lā ilāha illallāh, wallāhu Akbar, Allāhu Akbar, wa lillāhil-ḥamd.

Meaning:
Allah is the Greatest, Allah is the Greatest. There is no god but Allah. Allah is the Greatest, Allah is the Greatest, and all praise belongs to Allah.

Also say often the three main ones mentioned for these days:

Tahleel – لَا إِلٰهَ إِلَّا اللّٰه
Transliteration: Lā ilāha illallāh
Meaning: There is no god but Allah.

Takbeer – اللّٰهُ أَكْبَرُ
Transliteration: Allāhu Akbar
Meaning: Allah is the Greatest.

Tahmeed – الْحَمْدُ لِلّٰهِ
Transliteration: Alḥamdulillāh
Meaning: All praise belongs to Allah.