NASAI 341: from ʿĀʾishah —
"While I was menstruating, I would nibble meat from a bone and the Messenger of Allah ﷺ would put his mouth where mine has been. And while I was menstruating, I would drink from a vessel and he would put his mouth where mine had been."

النسائي ٣٤١: عن عاءشه —
كُنْتُ أَتَعَرَّقُ الْعَرْقَ فَيَضَعُ رَسُولُ اللَّهِ ﷺ فَاهُ حَيْثُ وَضَعْتُهُ وَأَنَا حَائِضٌ وَكُنْتُ أَشْرَبُ مِنَ الإِنَاءِ فَيَضَعُ فَاهُ حَيْثُ وَضَعْتُ وَأَنَا حَائِضٌ


Sound (ʿAli Zaʾī)
Nasāʾī > Water > § The Leftovers Of A Menstruating Woman
hadithunlocked.com