a-a a-b aaa aab aad aag aah aan aar ab- aba abb abd abg abh abn abr ad- ada adb add adg adh adn adr ag- aga agb agd agg agh agn agr aha ahb ahd ahg ahh ahn ahr an- ana anb and ang anh ann anr ar- ara arb ard arg arh arn arr baa bab bad bag bah ban bar bba bbb bbd bbg bbh bbn bbr bda bdb bdd bdg bdh bdr bga bgb bgd bgg bgh bgn bgr bha bhb bhd bhg bhh bhr bna bnb bnd bng bnn bnr bra brb brd brg brh brn brr daa dab dad dag dah dan dar dba dbb dbd dbg dbh dbn dbr dda ddb ddd ddg ddh ddn ddr dga dgd dgg dgh dgn dgr dh- dha dhb dhd dhh dhr dna dnb dnd dng dnh dnn dnr dra drb drd drg drn drr g-d gaa gab gad gag gah gan gar gba gbd gbg gbh gbn gbr gda gdb gdd gdh gdn gdr gga ggb ggd ggg ggh ggn ggr gha ghb ghd ghg ghh ghn ghr gna gnb gnd gnn gnr gra grb grd grg grh grn grr haa hab had hag hah han har hba hbb hbd hbg hbh hbn hbr hda hdb hdd hdg hdh hdn hdr hga hgb hgg hgh hgn hgr hha hhb hhd hhg hhh hhn hhr hna hnb hnd hng hnh hnn hr- hra hrb hrd hrg hrh hrn hrr naa nab nad nag nah nan nar nba nbb nbd nbg nbn nbr nda ndb ndd ndg ndh ndn ndr nga ngb ngd ngg ngh ngn nha nhb nhd nhg nhh nhn nhr nna nnb nng nnh nnn nra nrb nrd nrg nrn nrr ra- raa rab rad rag rah ran rar rba rbb rbd rbg rbh rbn rbr rda rdb rdd rdg rdh rdn rdr rga rgb rgd rgg rgh rgn rgr rh- rha rhb rhd rhg rhh rhn rhr rna rnb rnd rng rnh rnn rnr rra rrb rrd rrg rrh rrn rrr