1
להחיות אתך זכר ונקבה מהעוף למינהו. רמז לו שהעוף ישכון אצלו וזש"ה וישלח את היונה מאתו מלמד שהיתה שכונה אצלו: 1 Bring to life in a doubled* (*מהעוף bird can mean also, to be bent, doubled; to be wearied) with you a male and a female of the of its kind. He hinted to him that the bird* would live with him and this is what the scripture said and he sent the dove, away from him, to study if there was a place of dwelling for him: (This part of the commentary seems to apply also to verse 20 cause word מהעוף appears in there)
2
להחיות אתך בגימטריא לא טריפה ולא מחוסר אבר: 2 "to preserve life with you..." In Gematria: "no predation" or "no missing limb."