Clue: Oh, in Frankfurt

Answer: ACH

Length: 3

---

Similar Clues:

• Ohio's "City of Invention" (AKRON with 5 letters)
• Indiana and Ohio are in it (BIGTEN with 6 letters)
• Ohio Indian, once (ERIE with 4 letters)
• Ohio Indian (ERIE with 4 letters)
• Ohio Indians, in the past (ERIES with 5 letters)
• Ohio's state insect (LADYBUG with 7 letters)
• Ohio-Indiana river (MAUMEE with 6 letters)
• Columbus, Ohio inst. (OSU with 3 letters)
• Ohio minor league team whose alumni include C. C. Sabathia and Manny Ramírez (AKRONAEROS with 10 letters)
• "Ohio" folk-rock quartet, initially (CSNY with 4 letters)