«اللهُمَّ إِنِّي أَسْأَلُكَ مِنَ الْخَيْرِ كُلِّهِ عَاجِلِهِ وَآجِلِهِ، مَا عَلِمْتُ مِنْهُ وَمَا لَمْ أَعْلَمْ، وَأَعُوذُ بِكَ مِنَ الشَّرِّ كُلِّهِ، عَاجِلِهِ وَآَجِلِهِ مَا عَلِمْتُ مِنْهُ، وَمَا لَمْ أَعْلَمْ، اللهُمَّ إِنِّي أَسْأَلُكَ مِنْ خَيْرِ مَا سَأَلَكَ عَبْدُكَ وَنَبِيُّكَ مُحَمَّدٌ (صلی الله علیه وسلم)، وَأَعُوذُ بِكَ مِنْ شَرِّ مَا عَاذَ مِنْهُ عَبْدُكَ وَنَبِيُّكَ، اللهُمَّ إِنِّي أَسْأَلُكَ الْجَنَّةَ وَمَا قَرَّبَ إِلَيْهَا مِنْ قَوْلٍ أَوْ عَمَلٍ، وَأَعُوذُ بِكَ مِنَ النَّارِ وَمَا قَرَّبَ إِلَيْهَا مِنْ قَوْلٍ أَوْ عَمَلٍ، وَأَسْأَلُكَ أَنْ تَجْعَلَ كُلَّ قَضَاءٍ تَقْضِيهِ لِي خَيْرًا»
{وهو من جوامع الدعاء وكوامله}
Allahumma innī as’aluka mina l-khayri kullihi ‘ājilihi wa ājilihi, mā ‘alimtu minhu wa mā lam a‘lam, wa a‘ūdhu bika mina sh-sharri kullihi ‘ājilihi wa ājilihi, mā ‘alimtu minhu wa mā lam a‘lam. Allahumma innī as’aluka min khayri mā sa’alaika ‘abduka wa nabiyyuka Muḥammad (PBUH), wa a‘ūdhu bika min sharri mā ‘ādh minhu ‘abduka wa nabiyyuka. Allahumma innī as’aluka l-jannah wa mā qarraba ilayhā min qawlin aw ‘amalin, wa a‘ūdhu bika mina n-nār wa mā qarraba ilayhā min qawlin aw ‘amalin, wa as’aluka an taj‘ala kulla qaḍā’in taqḍīhi lī khayran
“O Allah, I ask You for all good, immediate and delayed, that which I know and that which I do not know, and I seek refuge in You from all evil, immediate and delayed, that which I know and that which I do not know. O Allah, I ask You for the good that Your servant and Prophet Muḥammad (PBUH) asked of You, and I seek refuge in You from the evil from which Your servant and Prophet sought refuge. O Allah, I ask You for Jannah and for whatever deeds or words bring me closer to it, and I seek refuge in You from the Fire and from whatever deeds or words bring me closer to it. I ask You to make every decree You decree for me good.”
(This is a comprehensive supplication encompassing all essential requests.)