a-a a-b aaa aab aae aag aaj aau ab- aba abb abe abg abj abu aea aeb aee aeg aej aeu ag- aga agb age agg agj agu aja ajb aje ajj aju au- aua aub aue aug auj b-u baa bab bae bag baj bau bba bbb bbe bbg bbu be- bea beb bee beg beu bga bgb bge bgg bgu bja bjg bjj bju bua bub bue bug buj buu eaa eab eae eag eaj eau eba ebb ebe ebg ebj ebu eea eeb eee eeg ega egb ege egg egu eja eju eu- eua eub eue eug euj gaa gab gae gag gaj gau gba gbe gbg gbj gbu ge- gea geb gee geg geu gga ggb ggg ggj ggu gja gje gjg gu- gua gub gue gug guj guu jaa jab jae jag jaj jau jba jbg jbj jbu jea jeb jee jeg jej jeu jga jgb jge jgu jja jjb jjg jjj jju jub jue jug ua- uaa uab uae uag uaj uau uba ubb ube ubg ubu uea ueb uee ueg uga ugb uge ugg ugu uua uue uug uuu