(c4) (j) (i') (g) (ij) (h) (h'_) (h) (g') (h) (g_f) (e.) (;) (h) (h') (g) (i_j) (h'_) (,) (h) (hg) (i_j) (h') (g) (h) (gf) (g) (gf) (e.) (e.) (::) (gf) (e) (e_f) (g) (gf) (e.) (e.) (::)