Selected cases include la ilā llāhi tuḥsharūn (Āl ʿImrān), wa-lā awḍaʿū (al-Tawbah), a form in al-Naml, and lā ilā l-jaḥīm (al-Ṣāffāt).
For each occurrence, identify the stopping point and the sound at the link into the next word.
The Qur’anic location is the basis for the rule; distinct orthographic situations should not be collapsed into one careless generalization.