Letter on position 1 (m) changed: 13 words bigs cigs digs figs gigs jigs ligs pigs rigs tigs vigs wigs zigs Letter on position 2 (i) changed: 4 words mags megs mogs mugs Letter on position 3 (g) changed: 7 words mibs mics mids mils mips mirs miss Letter on position 4 (s) changed: 1 word migg