Arabic works without the harakāt — type البقرة or baqarah.
No surah matches that.
مدارك التنزيل
Al-Nasafī
Concise and exact, with a steady eye on the grammar.
Do they not see that they are tried every year once or twice but then they do not repent nor do they remember?
And whenever a surah is revealed, they look at each other, [saying], "Does anyone see you?" and then they dismiss themselves. Allah has dismissed their hearts because they are a people who do not understand.
There has certainly come to you a Messenger from among yourselves. Grievous to him is what you suffer; [he is] concerned over you and to the believers is kind and merciful.
But if they turn away, [O Muhammad], say, "Sufficient for me is Allah; there is no deity except Him. On Him I have relied, and He is the Lord of the Great Throne."
The same ayah, in another commentary
At-Tawbah 9:126