O1B3E1L1I1S1K5S1
14 points
OBELISKS is validvalid
OBELISK, a four-sided shaft of stone with a pyramidal top [n]
OBELISK, a four-sided shaft of stone with a pyramidal top [n]
OBELISK, a four-sided shaft of stone with a pyramidal top [n]
OBELISK, a four-sided shaft of stone with a pyramidal top [n]