a-a a-b aaa aab aag aaj aau ab- aba abb abg abj abu ag- aga agb agg agj agu aja ajb ajj aju au- aua aub aug auj b-u baa bab bag baj bau bba bbb bbg bbu bga bgb bgg bgu bja bjg bjj bju bua bub bug buj buu gaa gab gag gaj gau gba gbg gbj gbu gga ggb ggg ggj ggu gja gjg gu- gua gub gug guj guu jaa jab jag jaj jau jba jbg jbj jbu jga jgb jgu jja jjb jjg jjj jju jub jug ua- uaa uab uag uaj uau uba ubb ubg ubu uga ugb ugg ugu uua uug uuu