P3E1N1E1P3L1A1I1N1
13 points
PENEPLAIN is validvalid
a low gently, rolling landscape produced by long-continued erosion, also PENEPLANE
a low gently, rolling landscape produced by long-continued erosion, also PENEPLANE
a low gently, rolling landscape produced by long-continued erosion, also PENEPLANE
a low gently, rolling landscape produced by long-continued erosion, also PENEPLANE