a-a a-b aaa aab aaj aan aau ab- aba abb abj abn abu aja ajb ajj ajn aju an- ana anb anj ann anu au- aua aub auj aun b-u baa bab baj ban bau bba bbb bbn bbu bja bjj bjn bju bna bnb bnj bnn bnu bua bub buj bun buu jaa jab jaj jan jau jba jbj jbu jja jjb jjj jju jna jnj jnn jnu jub jun naa nab naj nan nau nba nbb nbn nbu nja njn nju nna nnb nnn nnu nua nub nuj nun nuu ua- uaa uab uaj uan uau uba ubb ubn ubu un- una unb unn unu uua uun uuu