Letter on position 1 (h) changed: 18 words bills cills dills fills gills jills kills lills mills nills pills rills sills tills vills wills yills zills Letter on position 2 (i) changed: 3 words halls hells hulls Letter on position 4 (l) changed: 2 words hilts hilus Letter on position 5 (s) changed: 2 words hillo hilly