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Why are there no passive forms or Ism Maf'ool listed in the Sarf Sagheer tables of تَعَفْرَتَ and تَجَوْرَبَ?

Attached Derived Quadrilateral - Bab 4: Tafallul & Bab 5: Tafaw'ul

• The given Sarf Sagheer does not list passive forms or Ism Maf'ool
• They are grammatically prohibited
• Because they are weak roots
• Due to a phonetic limit