Letter on position 1 (p) changed: 13 words boon coon doon goon hoon loon moon noon roon soon toon woon zoon Letter on position 2 (o) changed: 3 words peon phon pion Letter on position 3 (o) changed: 2 words porn pown Letter on position 4 (n) changed: 9 words pood poof pooh pook pool poop poor poos poot