ر ع ى are the root letters of the word رَعِنَا

The root letters of ا يَوَدُّ are و د د

The root letters of يَتَبَدَّلِ are ب ل د

ت ج د are the root letters of the word تَجِدُوهُ

ء ت ي are the root letters of the word هَاتُواْ

ر ه ن the root letters of the word بُرْهَـنَكُمْ

س ل م are the root letters of the word أَسْلَمَ