S1E1A1T1B3E1L1T1
10 points
SEATBELT is validvalid
an arrangement of straps to keep a person steady in a seat [n SEATBELTS]
an arrangement of straps to keep a person steady in a seat [n -S]
an arrangement of straps to keep a person steady in a seat [n SEATBELTS]
an arrangement of straps to keep a person steady in a seat [n -S]