BUSY to POOP in 6 moves
Follow each one-letter change, then return to the puzzle and see whether you can reproduce the route without help.
01
BUSY → BUST
Change letter 4 from Y to T.
02
BUST → LUST
Change letter 1 from B to L.
03
LUST → LOST
Change letter 2 from U to O.
04
LOST → LOOT
Change letter 3 from S to O.
05
LOOT → LOOP
Change letter 4 from T to P.
06
LOOP → POOP
Change letter 1 from L to P.
What to learn from this route
Word ladders become easier when you work backward from the target. Look for bridge words such as BOOP, COOP, LOOP, POOL, POOR, or POMP, then connect your starting word to one of those late-game options.