(c3) (e) (e_i) (g_h) (i_j) (i'_) (,) (j) (i') (h) (hi) (h) (h.) (,) (hf) (g) (h) (ij) (i) (h') (i) (i.) (;) (e') (f) (e) (d!e'f) (f.) (,) (f_i) (h) (f') (h) (g_h) (i'_) (f) (e.) (e.) (::)