Second-person masculine singular and dual

The Prohibitive: Active and Passive Paradigms with Emphatic Nūn

Active — Passive — Active heavy — Passive heavy — Active light — Passive light
2nd-person masculine singular
Active: لَا تَفْعَلْ
Passive: لَا تُفْعَلْ
Active with heavy nūn: لَا تَفْعَلَنَّ
Passive with heavy nūn: لَا تُفْعَلَنَّ
Active with light nūn: لَا تَفْعَلَنْ
Passive with light nūn: لَا تُفْعَلَنْ
2nd-person masculine dual
Active: لَا تَفْعَلَا
Passive: لَا تُفْعَلَا
Active with heavy nūn: لَا تَفْعَلَانِّ
Passive with heavy nūn: لَا تُفْعَلَانِّ
Both light-nūn slots are absent from the textbook paradigm.
The direct masculine prohibitive is lā tafʿal, not the positive direct imperative ifʿal.