a-a a-b aaa aab aad aag aah aan aar aau ab- aba abb abd abg abh abn abr abu ad- ada adb add adg adh adn adr adu ag- aga agb agd agg agh agn agr agu aha ahb ahd ahg ahh ahn ahr ahu an- ana anb and ang anh ann anr anu ar- ara arb ard arg arh arn arr aru au- aua aub aud aug auh aun aur b-u baa bab bad bag bah ban bar bau bba bbb bbd bbg bbh bbn bbr bbu bda bdb bdd bdg bdh bdr bdu bga bgb bgd bgg bgh bgn bgr bgu bha bhb bhd bhg bhh bhr bhu bna bnb bnd bng bnn bnr bnu bra brb brd brg brh brn brr bru bua bub bud bug buh bun bur buu daa dab dad dag dah dan dar dau dba dbb dbd dbg dbh dbn dbr dbu dda ddb ddd ddg ddh ddn ddr ddu dga dgd dgg dgh dgn dgr dgu dh- dha dhb dhd dhh dhr dhu dna dnb dnd dng dnh dnn dnr dra drb drd drg drn drr dru dua dub dud dug duh dun dur g-d gaa gab gad gag gah gan gar gau gba gbd gbg gbh gbn gbr gbu gda gdb gdd gdh gdn gdr gdu gga ggb ggd ggg ggh ggn ggr ggu gha ghb ghd ghg ghh ghn ghr gna gnb gnd gnn gnr gnu gra grb grd grg grh grn grr gru gu- gua gub gud gug gun gur guu haa hab had hag hah han har hau hba hbb hbd hbg hbh hbn hbr hbu hda hdb hdd hdg hdh hdn hdr hdu hga hgb hgg hgh hgn hgr hgu hha hhb hhd hhg hhh hhn hhr hhu hna hnb hnd hng hnh hnn hnu hr- hra hrb hrd hrg hrh hrn hrr hru hua hub hud hug huh hun hur huu naa nab nad nag nah nan nar nau nba nbb nbd nbg nbn nbr nbu nda ndb ndd ndg ndh ndn ndr ndu nga ngb ngd ngg ngh ngn ngu nha nhb nhd nhg nhh nhn nhr nhu nna nnb nng nnh nnn nnu nra nrb nrd nrg nrn nrr nru nua nub nud nug nuh nun nur nuu ra- raa rab rad rag rah ran rar rau rba rbb rbd rbg rbh rbn rbr rbu rda rdb rdd rdg rdh rdn rdr rdu rga rgb rgd rgg rgh rgn rgr rh- rha rhb rhd rhg rhh rhn rhr rhu rna rnb rnd rng rnh rnn rnr rnu rra rrb rrd rrg rrh rrn rrr rru rua rub rud rug ruh run rur ruu ua- uaa uab uad uag uah uan uar uau uba ubb ubg ubh ubn ubr ubu uda udb udd udg udn udr udu uga ugb ugg ugh ugn ugr ugu uha uhb uhd uhh uhr uhu un- una unb und ung unh unn unr unu ur- ura urb urd urg urn urr uru uua uug uun uur uuu