P3E1R1I1P3T1E1R1S1
13 points
PERIPTERS is validvalid
PERIPTER, a structure with a row of columns around all sides [n]
PERIPTER, a structure with a row of columns around all sides [n]
PERIPTER, a structure with a row of columns around all sides [n]
PERIPTER, a structure with a row of columns around all sides [n]