صَفِرْتُمْ • (ṣafirtum) (form I)
صَفَرْتُمْ • (ṣafartum) (form I)
صَفَّرْتُمْ • (ṣaffartum) (form II)
صُفِّرْتُمْ • (ṣuffirtum) (form II)