(c4) (d) (d_c~) (f) (g) (f_h) (h.) (,) (f') (g) (h) (gf~) (gfg) (d.) (;) (g) (g) (h') (g') (f) (f_g) (f.) (,) (f) (f) (e_f) (g) (fe) (d.) (d.) (::) (h) (h) (g) (f) (gh) (g.f.) (::)