a-a a-b aaa aab aad aag aan aar aay ab- aba abb abd abg abn abr aby ad- ada adb add adg adn adr ady ag- aga agb agd agg agn agr agy an- ana anb and ang ann anr any ar- ara arb ard arg arn arr ary ay- aya ayd ayn ayr baa bab bad bag ban bar bay bba bbb bbd bbg bbn bbr bby bda bdb bdd bdg bdr bdy bga bgb bgd bgg bgn bgr bna bnb bnd bng bnn bnr bra brb brd brg brn brr bry by- bya byd byg byn byr daa dab dad dag dan dar day dba dbb dbd dbg dbn dbr dby dda ddb ddd ddg ddn ddr ddy dga dgd dgg dgn dgr dna dnb dnd dng dnn dnr dny dra drb drd drg drn drr dry dy- dya dyb dyd dyn dyr dyy g-d gaa gab gad gag gan gar gay gba gbd gbg gbn gbr gby gda gdb gdd gdn gdr gga ggb ggd ggg ggn ggr gna gnb gnd gnn gnr gra grb grd grg grn grr gry gy- gya gyb gyd gyn gyr naa nab nad nag nan nar nay nba nbb nbd nbg nbn nbr nda ndb ndd ndg ndn ndr ndy nga ngb ngd ngg ngn nna nnb nng nnn nra nrb nrd nrg nrn nrr nry nya nyd nyg nyn nyy ra- raa rab rad rag ran rar ray rba rbb rbd rbg rbn rbr rda rdb rdd rdg rdn rdr rdy rga rgb rgd rgg rgn rgr rna rnb rnd rng rnn rnr rny rra rrb rrd rrg rrn rrr ry- rya ryd ryg ryn ryr ryy yaa yab yad yag yan yar yay ybg ybr yby yda ydg ydn ydy yga yna ynd yng ynn yny yra yrg yrn yyb yyg yyy