a-a a-b aaa aab aag aaj aan aao aau ab- aba abb abg abj abn abo abu ag- aga agb agg agj agn ago agu aja ajb ajj ajn ajo aju an- ana anb ang anj ann ano anu aoa aob aog aoj aon aoo aou au- aua aub aug auj aun auo b-u baa bab bag baj ban bao bau bba bbb bbg bbn bbo bbu bga bgb bgg bgn bgo bgu bja bjg bjj bjn bju bna bnb bng bnj bnn bno bnu boa bob bog boj bon boo bou bua bub bug buj bun buo buu gaa gab gag gaj gan gao gau gba gbg gbj gbn gbo gbu gga ggb ggg ggj ggn ggo ggu gja gjg gna gnb gnn gno gnu goa gob gog gon goo gou gu- gua gub gug guj gun guo guu jaa jab jag jaj jan jao jau jba jbg jbj jbo jbu jga jgb jgn jgo jgu jja jjb jjg jjj jju jna jng jnj jnn jno jnu joa job jog joj jon joo jou jub jug jun juo naa nab nag naj nan nao nau nba nbb nbg nbn nbo nbu nga ngb ngg ngj ngn ngo ngu nja njn nju nna nnb nng nnn nno nnu no- noa nob nog noj non noo nou nua nub nug nuj nun nuo nuu oaa oab oag oaj oan oao oau ob- oba obb obg obj obn obo obu oga ogg ogn ogo oja ojb ojo oju on- ona onb ong onj onn ono onu oo- ooa oob oog oon ooo ou- oua oun ouo ua- uaa uab uag uaj uan uao uau uba ubb ubg ubn ubo ubu uga ugb ugg ugn ugo ugu ujo un- una unb ung unn uno unu uoa uob uog uoj uon uoo uua uug uun uuu