a-a a-b aaa aab aad aag aah aan aao aau ab- aba abb abd abg abh abn abo abu ad- ada adb add adg adh adn ado adu ag- aga agb agd agg agh agn ago agu aha ahb ahd ahg ahh ahn aho ahu an- ana anb and ang anh ann ano anu aoa aob aod aog aoh aon aoo aou au- aua aub aud aug auh aun auo b-u baa bab bad bag bah ban bao bau bba bbb bbd bbg bbh bbn bbo bbu bda bdb bdd bdg bdh bdo bdu bga bgb bgd bgg bgh bgn bgo bgu bha bhb bhd bhg bhh bho bhu bna bnb bnd bng bnn bno bnu boa bob bod bog boh bon boo bou bua bub bud bug buh bun buo buu daa dab dad dag dah dan dao dau dba dbb dbd dbg dbh dbn dbo dbu dda ddb ddd ddg ddh ddn ddo ddu dga dgd dgg dgh dgn dgu dh- dha dhb dhd dhh dho dhu dna dnb dnd dng dnh dnn dno doa dob dod dog doh don doo dou dua dub dud dug duh dun duo g-d gaa gab gad gag gah gan gao gau gba gbd gbg gbh gbn gbo gbu gda gdb gdd gdh gdn gdo gdu gga ggb ggd ggg ggh ggn ggo ggu gha ghb ghd ghg ghh ghn gho gna gnb gnd gnn gno gnu goa gob god gog goh gon goo gou gu- gua gub gud gug gun guo guu haa hab had hag hah han hao hau hba hbb hbd hbg hbh hbn hbo hbu hda hdb hdd hdg hdh hdn hdo hdu hga hgb hgg hgh hgn hgo hgu hha hhb hhd hhg hhh hhn hho hhu hna hnb hnd hng hnh hnn hno hnu hoa hob hod hog hoh hon hoo hou hua hub hud hug huh hun huo huu naa nab nad nag nah nan nao nau nba nbb nbd nbg nbn nbo nbu nda ndb ndd ndg ndh ndn ndo ndu nga ngb ngd ngg ngh ngn ngo ngu nha nhb nhd nhg nhh nhn nhu nna nnb nng nnh nnn nno nnu no- noa nob nod nog noh non noo nou nua nub nud nug nuh nun nuo nuu oaa oab oad oag oah oan oao oau ob- oba obb obd obg obh obn obo obu oda odb odd odg odh odn odo odu oga ogd ogg ogh ogn ogo oha ohd ohg ohh ohn oho ohu on- ona onb ond ong onh onn ono onu oo- ooa oob ood oog ooh oon ooo ou- oua oud ouh oun ouo ua- uaa uab uad uag uah uan uao uau uba ubb ubg ubh ubn ubo ubu uda udb udd udg udn udo udu uga ugb ugg ugh ugn ugo ugu uha uhb uhd uhh uho uhu un- una unb und ung unh unn uno unu uoa uob uod uog uon uoo uua uug uun uuu