a-a a-b aaa aab aag aah aaj aan aao aau ab- aba abb abg abh abj abn abo abu ag- aga agb agg agh agj agn ago agu aha ahb ahg ahh ahj ahn aho ahu aja ajb ajh ajj ajn ajo aju an- ana anb ang anh anj ann ano anu aoa aob aog aoh aoj aon aoo aou au- aua aub aug auh auj aun auo b-u baa bab bag bah baj ban bao bau bba bbb bbg bbh bbn bbo bbu bga bgb bgg bgh bgn bgo bgu bha bhb bhg bhh bhj bho bhu bja bjg bjj bjn bju bna bnb bng bnj bnn bno bnu boa bob bog boh boj bon boo bou bua bub bug buh buj bun buo buu gaa gab gag gah gaj gan gao gau gba gbg gbh gbj gbn gbo gbu gga ggb ggg ggh ggj ggn ggo ggu gha ghb ghg ghh ghj ghn gho gja gjg gna gnb gnn gno gnu goa gob gog goh gon goo gou gu- gua gub gug guj gun guo guu haa hab hag hah haj han hao hau hba hbb hbg hbh hbj hbn hbo hbu hga hgb hgg hgh hgn hgo hgu hha hhb hhg hhh hhj hhn hho hhu hja hjn hjo hna hnb hng hnh hnj hnn hno hnu hoa hob hog hoh hon hoo hou hua hub hug huh huj hun huo huu jaa jab jag jah jaj jan jao jau jba jbg jbj jbo jbu jga jgb jgh jgn jgo jgu jha jhj jhn jho jhu jja jjb jjg jjj jju jna jng jnh jnj jnn jno jnu joa job jog joh joj jon joo jou jub jug juh jun juo naa nab nag nah naj nan nao nau nba nbb nbg nbn nbo nbu nga ngb ngg ngh ngj ngn ngo ngu nha nhb nhg nhh nhj nhn nhu nja njn nju nna nnb nng nnh nnn nno nnu no- noa nob nog noh noj non noo nou nua nub nug nuh nuj nun nuo nuu oaa oab oag oah oaj oan oao oau ob- oba obb obg obh obj obn obo obu oga ogg ogh ogn ogo oha ohg ohh ohn oho ohu oja ojb ojo oju on- ona onb ong onh onj onn ono onu oo- ooa oob oog ooh oon ooo ou- oua ouh oun ouo ua- uaa uab uag uah uaj uan uao uau uba ubb ubg ubh ubn ubo ubu uga ugb ugg ugh ugn ugo ugu uha uhb uhh uhj uho uhu ujo un- una unb ung unh unn uno unu uoa uob uog uoj uon uoo uua uug uun uuu