Decomposition of λKv into five graphs with six vertices and eight edges

In this paper, we discuss the G-decomposition of λKv (G-GDλ(v)) into five graphs with six vertices and eight edges. We present some recursive structures and a number of G-designs of small orders, holey Gdesigns, and incomplete G-designs are constructed. Finally, the spectrum of the existence of G-GDλ(v) is determined.