Letter on position 1 (b) changed: 7 words files miles piles riles siles tiles wiles Letter on position 2 (i) changed: 2 words bales boles Letter on position 3 (l) changed: 7 words bices bides bikes bines bises bites bizes Letter on position 4 (e) changed: 2 words bilks bills Letter on position 5 (s) changed: 1 word biled