Poople #662025-10-19

Poople #66: FAST to POOP

The shortest 5-step ladder from FAST to POOP, plus the full solution and a replay of puzzle #66.

Play Poople #66

#66 FAST

F
A
S
T
start

Poople #66 answer: FAST to POOP

Hidden

Answer path

fast
cast
cost
coot
coop
poop
5 movesHardFirst hint: change the 1st letter.

Path analysis

This route reaches POOP in 5 moves. Breadth-first search reaches every route with fewer moves first, so POOP cannot be reached in fewer than 5 moves from FAST.

Moves
5
Difficulty
Hard
Shortest paths
2

The dictionary has 2 equally short routes; the route below is one of them.

  1. Move 1: FASTCAST — change the 1st letter from F to C.
  2. Move 2: CASTCOST — change the 2nd letter from A to O.
  3. Move 3: COSTCOOT — change the 3rd letter from S to O.
  4. Move 4: COOTCOOP — change the 4th letter from T to P.
  5. Move 5: COOPPOOP — change the 1st letter from C to P.

This Poople puzzle starts from FAST and reaches POOP by changing one letter at a time. The shortest known path takes 5 moves.

Poople #66 Answer for 2025-10-19 — FAST to POOP