Letter on position 1 (g) changed: 13 words bams cams dams hams jams lams mams nams pams rams sams tams yams Letter on position 2 (a) changed: 3 words gems gums gyms Letter on position 3 (m) changed: 11 words gabs gads gaes gags gals gans gaps gars gats gaus gays Letter on position 4 (s) changed: 5 words gama gamb game gamp gamy