The Prophet (ﷺ) read the Quranic verse: "Thou hast received (full) excuse from me (min ladunni)" and put tashdid (doubling of consonants) on nun (n).
Sunan Abi Dawud Book 32, Hadith 17
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When the Messenger of Allah (ﷺ) prayed, he began with himself and said: May the mercy of Allah be upon us and upon Moses. If he had patience, he would have seen marvels from his Companion. But he said: "(Moses) said: If ever I ask thee about anything after this, keep me not in they company: then wouldst thou have received (full) excuse from my side". Hamzah lengthened it.

Sunan Abi Dawud Book 32, Hadith 16 Next Hadith → Ubayy ibn Ka'b made me read the following verse as the Messenger of Allah (ﷺ) made him read: "in a spring of murky water" (fi 'aynin hami'atin) with short vowel a after h.

Sunan Abi Dawud Book 32, Hadith 18