(c4) (d') (c) (d') (f) (fg) (ghgg) (,) (f!gwh_g~) (hg) (fg) (f.) (;) (f) (e') (f) (g') (f) (fe) (dc) (,) (e) (gh) (efe) (d.) (d.) (::) (h) (h) (g) (f) (gh) (g.) (::)