(c4) (f) (fg) (gh) (::) (ixf) (g) (hi) (h) (g) (f) (;) (h) (j) (i) (j) (h) (j) (ij) (;) (h) (gf~) (gh) (i) (h) (g) (::) (j) (j) (i) (j) (h) (g) (::)