(c4) (h') (f) (fg) (g) (h_j) (j'_) (g) (h) (g.) (;) (j) (j') (i) (h') (j) (i) (hg~) (h) (gf~) (g') (h) (i') (h) (g.) (::) (j) (j) (i) (j) (h) (g.) (::)