Poople #132: RIFF to POOP

Path analysis

This route reaches POOP in 6 moves. Breadth-first search reaches every route with fewer moves first, so POOP cannot be reached in fewer than 6 moves from RIFF.

Moves

6

Difficulty

Hard

Shortest paths

6

The dictionary has 6 equally short routes; the route below is one of them.

1. Move 1: RIFF → RIFT — change the 4th letter from F to T.
2. Move 2: RIFT → LIFT — change the 1st letter from R to L.
3. Move 3: LIFT → LOFT — change the 2nd letter from I to O.
4. Move 4: LOFT → LOOT — change the 3rd letter from F to O.
5. Move 5: LOOT → LOOP — change the 4th letter from T to P.
6. Move 6: LOOP → POOP — change the 1st letter from L to P.