(c4) (d_c) (f) (g') (f) (gh) (h'_) (,) (h) (hj) (h) (g') (h>) (g') (e) (f>) (d.) (;) (h_ih) (g) (hj~) (j) (jv_IH) (h.) (,) (h_ggo) (f) (gh) (g_f_g_) (g_') (h) (g) (f') (g) (d.) (;) (gv_2/gv_2/gv_) (g_d) (f) (d') (e) (f) (d_e) (ddc.) (;) (c_d) (f_e) (f_g) (gg) (,) (c) (d') (f) (e') (g>) (fe) (d.) (d.) (::) (h) (h) (g) (f) (gh) (gf..) (::)