ANSWER:
You can recite, ”Rabbanag-firli-Wali-
ربنا اغفر لي ولوالدي وللمؤمنين يوم يقوم الحساب
“Our Lord! Forgive me and my parents, and (all) the believers on the Day when the reckoning will be established.” Surah Ibrahim (14:41)
&
Rabbir Hum Huma Kama Rabba Yaani Sagheera
رَّبِّ ارْحَمْهُمَا كَمَا رَبَّيَانِي صَغِيرًا
“My Lord, have mercy upon them[my parents] as they brought me up [when I was] small.” Al-Quran (17:24)