He said: He used to teach us also some other words, but he did not teach them as he taught us the tashahhud: O Allah, join our hearts, mend our social relationship, guide us to the path of peace, bring us from darkness to light, save us from obscenities, outward or inward, and bless our ears, our eyes, our hearts, our wives, our children, and relent toward us; Thou art the Relenting, the Merciful
دعاء في الألفة بين القلوب
Sharik reported from Jami', from AbuWa'il on the authority of Abdullah ibn Mas'ud something similar
شرح اللهم ألف بين قلوبنا، وأصلح ذات بيننا، واهدنا سبل السلام، ونجنا من الظلمات إلى النور، وجنبنا الفواحش ما ظهر منها وما بطن، وبارك لنا في