Hawwy Pottew and the Phiwosophew's Stowne

As they ran away from Filch, the three Gryffindors found themselves trapped in a dead end, the doors ahead of them locked. "Wet me twy!" Hermione said. "I know a speww to unwock it!" She pointed her wand at the lock. "Awo- awohamow- awohawmwa- amwohamawa- f***!" Hermione cursed. — AU where everything's the same except Hogwarts starts at age 6 and I let the kids swear.