Tuesday puzzle
Alex Y
Transform "GREEN" to "GRASS" in as few steps as possible, changing one letter at a time, with each step resulting in an English word. There may be more than one solution.
E.g., to convert "PINK" to "ROSE" in four steps, you could do:
PINK
PINE
PONE
POSE
ROSE
or
PINK
RINK
RISK
RISE
ROSE