E5 ≈ 6J91 ⊕ 8G3 ⊕ 12Y5 ⊕ (P4)
The Rhombicosidodecahedron (E5) can be dissected into six Bilunabirotundas (J91), eight unnamed figures simply referred to as G3 (which is discussed on my Stewart G3 page), and twelve pentagonal pyramids (Y5) all around a central cube (P4).