The page shows 100 words of 629 found, that start on "per":
Words of 3 letters, beginning on "per" (1 word):
Words of 4 letters, beginning on "per" (8 words):
Words of 5 letters, beginning on "per" (13 words):
Words of 6 letters, beginning on "per" (21 word):
Words of 7 letters, beginning on "per" (57 words):