Upon completing ablution – 1
أَشْهَدُ أَنْ لَا إِلَـهَ إِلاَّ اللّهُ وَحْدَهُ لَا شَريـكَ لَـهُ وَأَشْهَدُ أَنَّ مُحَمَّـداً عَبْـدُهُ وَرَسُـولُـهُ.
Ashhadu an la ilaha illal-lahu wahdahu la shareeka lah, wa-ashhadu anna Muhammadan AAabduhu warasooluh.
I bear witness that none has the right to be worshipped except Allah, alone without partner, and I bear witness that Muhammad is His slave and Messenger.
Muslim 1:209
Upon completing ablution – 2
اَللَّهُـمَّ اجْعَلْنِـي مِنَ التَّـوَّابِينَ وَاجْعَـلْنِي مِنَ الْمُتَطَهِّـرِينَ.
Allahummaj-AAalnee minat-tawwabeena wajAAalnee minal-mutatahhireen.
O Allah, make me of those who return to You often in repentance and make me of those who remain clean and pure.
At-Tirmidhi 1:78
Upon completing ablution – 3
سُبْحـَانَكَ اللَّهُـمَّ وَبِحَمْدِكَ، أَشْهَـدُ أَنْ لاَ إِلَهَ إِلاَّ أَنْتَ، أَسْتَغْفِرُكَ وَأَتُوبُ إِلَـيْكَ.
Subhanakal-lahumma wabihamdika ashhadu an la ilaha illa anta astaghfiruka wa-atoobu ilayk.
How perfect You are O Allah, and I praise You, I bear witness that none has the right to be worshipped except You, I seek Your forgiveness and turn in repentance to You.
An-Nasa’i: 173