Invocation for someone who says:
غَفَـرَ اللهُ لَكَ
"May Allah forgive you"
وَلَكَ
197. Walaka
And
you.
Reference: Ahmad 5/82,
and An-Nasa'i in 'Amalul-Yawm wal-Laylah p. 218, with checking by Dr.
Farooq Hamadah.