"There is no God but Thou: Glory to thee I was Indeed wrong!" (Qur'an 21:87, This was the cry of prophet Yunus(Jonah) Alayhis-Salam when he was swallowed by a big fish or whale)
La-Ilaha - illa Anta Subhanaka - Inni - Konto - Minaz - zalimeen
"O my Lord! I have indeed wronged my soul! Do Thou then forgive me" (Qur'an 28:16)
Rabbi - inni - Zalamto - Nafsi - Faghfirli
"Our Lord! We have indeed Believed: forgive us, then Our sins, and save us from the agony of the Fire" (Qur'an 3:16)
"Glory to our Lord! Verily we have been doing wrong!" (Qur'an 68:29)
Subhana - Rabbina - Inna - Kunna - Zalimeen
"Our Lord Condemn us not if we forget or fall into error; Our Lord! Lay not on us a burden Like that which thou didst lay on those before us; Our Lord! Lay not on us a burden greater than we have strength to bear. Blot our pur sins, And grant us forgiveness. Have mercy on us. Thou art our protector; Help us against those who stand against Faith" (Qur'an 2:286, This Ayah along with 2:284-285 are highly recommended for recitation at the beginning of the day and in the evening)
Rabban - LaTu' akhithna - In - Nasina Ao Akhta na Rabbana - Wala - Tahmil - Alayna - isran - Kama - Hamaltaho - Alal - Lathina - Min - qablina. Rabbana - Wala - Tohammilna - Mala - Taqata - Lana Beh. Wa' fo - Anna - Waghfir - Lana - Warhamna - Anta - Maolana - fansorna'alal qawmil - Kafireen
"Our Lord! Forgive us, and our brethren who came before us into the Faith, and leave not, in our hearts, rancour (or sense of injury) against those who have believed. Our Lord! Thou art indeed Full of Kindness, Most Merciful." (Qur'an 59:10)
Rabbanā Aghfir Lanā Wa Li'akhwāninā Al-Ladhīna Sabaqūnā Bil-'Īmāni Wa Lā Taj`al Fī Qulūbinā Ghillāan Lilladhīna 'Āmanū Rabbanā 'Innaka Ra'ūfun Raĥīmun