s, e, n, p, h are letters that make 'sheep pen'
he, pe, pen, He, en, EE, sheep are words within 'sheep pen'
1 possible definitions for 'sheep pen'
Under this definition, sheep pen is a noun and has the following properties:
fold, sheepfold, sheepcote have the same meaning as 'sheep pen'
'sheep pen' can be a type of pen.
pen up, fold are derivatives of 'sheep pen'.