Make CARP (fish) evolve into GOAT (mammal) by changing one letter at a time. Each change must produce a valid word in the English language. But there is a catch. The evolution must go through NEWT (amphibian) and CROW (bird). No word can be used more than once.
CARP —-> NEWT —-> CROW —-> GOAT
CARP —–
CART
PART
PAST
PEST
NEST
NEWT —–
NEAT
SEAT
SLAT
SLAW
CLAW
CRAW
CROW —–
CROP
CHOP
CHAP
CHAT
COAT
GOAT —– |