a-a a-b aaa aab aae aaj aau ab- aba abb abe abj abu aea aeb aee aej aeu aja ajb aje ajj aju au- aua aub aue auj b-u baa bab bae baj bau bba bbb bbe bbu be- bea beb bee beu bja bjj bju bua bub bue buj buu eaa eab eae eaj eau eba ebb ebe ebj ebu eea eeb eee eja eju eu- eua eub eue euj jaa jab jae jaj jau jba jbj jbu jea jeb jee jej jeu jja jjb jjj jju jub jue ua- uaa uab uae uaj uau uba ubb ube ubu uea ueb uee uua uue uuu