a-a a-b aaa aab aae aaj aam aau aax ab- aba abb abe abj abm abu abx aea aeb aee aej aem aeu aex aja ajb aje ajj ajm aju ama amb ame amm amu amx au- aua aub aue auj aum aux ax- axa axe axj axm axx b-u baa bab bae baj bam bau bax bba bbb bbe bbm bbu bbx be- bea beb bee bem beu bex bja bjj bjm bju bma bmb bme bmj bmm bmu bmx bua bub bue buj bum buu bux bxb bxj bxm bxx eaa eab eae eaj eam eau eax eba ebb ebe ebj ebm ebu ebx eea eeb eee eem eex eja eju em- ema emb eme emm emu emx eu- eua eub eue euj eux ex- exa exe exu exx jaa jab jae jaj jam jau jax jba jbj jbm jbu jea jeb jee jej jem jeu jja jjb jjj jju jma jmb jme jmj jmm jmu jmx jub jue jum maa mab mae maj mam mau max mba mbb mbe mbj mbm mbu mbx mea meb mee mej mem meu mex mjb mje mjj mjm mma mmb mme mmj mmm mmu mmx mua mub mue muj mum muu mux mxa mxu ua- uaa uab uae uaj uam uau uba ubb ube ubu ubx uea ueb uee uem um- uma umb ume umm umu uua uue uum uuu uxb uxu xaa xam xau xbe xbx xee xem xeu xex xma xmm xmu xmx xue xxx