a-a a-b aaa aab aaj aan aao aau ab- aba abb abj abn abo abu aja ajb ajj ajn ajo aju an- ana anb anj ann ano anu aoa aob aoj aon aoo aou au- aua aub auj aun auo b-u baa bab baj ban bao bau bba bbb bbn bbo bbu bja bjj bjn bju bna bnb bnj bnn bno bnu boa bob boj bon boo bou bua bub buj bun buo buu jaa jab jaj jan jao jau jba jbj jbo jbu jja jjb jjj jju jna jnj jnn jno jnu joa job joj jon joo jou jub jun juo naa nab naj nan nao nau nba nbb nbn nbo nbu nja njn nju nna nnb nnn nno nnu no- noa nob noj non noo nou nua nub nuj nun nuo nuu oaa oab oaj oan oao oau ob- oba obb obj obn obo obu oja ojb ojo oju on- ona onb onj onn ono onu oo- ooa oob oon ooo ou- oua oun ouo ua- uaa uab uaj uan uao uau uba ubb ubn ubo ubu ujo un- una unb unn uno unu uoa uob uoj uon uoo uua uun uuu