The six throat letters, reviewed from the earlier articulation chapter, are ء ه ع ح غ خ. If any immediately follows sākin nūn or tanwīn, read iẓhār ḥalqī.
For practice, group them by throat region: ء/ه, ع/ح, غ/خ. This grouping is a study aid; the same rule applies to all six.
Opening interactive controls...
The six throat letters
Sākin Nūn & Tanwīn — Iẓhār, Idghām, Qalb and Ikhfāʾ
The six throat letters, reviewed from the earlier articulation chapter, are ء ه ع ح غ خ. If any immediately follows sākin nūn or tanwīn, read iẓhār ḥalqī.
For practice, group them by throat region: ء/ه, ع/ح, غ/خ. This grouping is a study aid; the same rule applies to all six.