(c3) (g) (ig/ij) (i) (i_j) (i') (h) (hih) (hgh.) (;) (h) (hg) (f) (h') (g) (e') (e) (g_h) (f') (h) (h) (g.) (;) (g') (e) (g') (i) (h') (f) (g_hf~) (g) (e.) (e.) (::)