How many of the following genotypes possibly represent normal wings in Drosophila? (i) \( Vg^+Vg^+ \) (ii) \( Vg^+Vg^{ni} \) (iii) \( Vg^+Vg^{no} \) (iv) \( Vg^+Vg^{st} \) (v) \( Vg^+Vg \)