(c4) (c) (d) (ixdh) (h_i) (h) (g') (h) (hgh) (,) (f_g) (h') (g) (f') (e) (g) (fe) (d.) (d.) (:) (f) (g) (e) (f) (c.) (,) (e) (g) (f') (f) (fe) (dc) (d) (fe) (d.) (d.) (::)