ثَقَبْنَ • (ṯaqabna) (form I)
ثُقِبْنَ • (ṯuqibna) (form I)
ثَقِّبْنَ • (ṯaqqibna) (form II)
ثَقَّبْنَ • (ṯaqqabna) (form II)
ثُقِّبْنَ • (ṯuqqibna) (form II)