Letter on position 1 (h) changed: 12 words bop cop dop fop kop lop mop oop pop sop top wop Letter on position 2 (o) changed: 5 words hap hep hip hup hyp Letter on position 3 (p) changed: 16 words hoa hob hoc hod hoe hog hoh hoi hom hon hoo hos hot how hox hoy