a-a a-b aaa aab aad aag aar aas aay ab- aba abb abd abg abr abs aby ad- ada adb add adg adr ads ady ag- aga agb agd agg agr ags agy ar- ara arb ard arg arr ars ary as- asa asb asd asg asr ass asy ay- aya ayd ayr ays baa bab bad bag bar bas bay bba bbb bbd bbg bbr bbs bby bda bdb bdd bdg bdr bds bdy bga bgb bgd bgg bgr bgs bra brb brd brg brr brs bry bsa bsb bsd bsg bsr bss bsy by- bya byd byg byr bys daa dab dad dag dar das day dba dbb dbd dbg dbr dbs dby dda ddb ddd ddg ddr dds ddy dga dgd dgg dgr dgs dra drb drd drg drr drs dry dsa dsb dsd dsg dsr dss dsy dy- dya dyb dyd dyr dys dyy g-d gaa gab gad gag gar gas gay gba gbd gbg gbr gbs gby gda gdb gdd gdr gds gga ggb ggd ggg ggr ggs gra grb grd grg grr grs gry gsa gsb gsd gsg gsr gss gy- gya gyb gyd gyr gys ra- raa rab rad rag rar ras ray rba rbb rbd rbg rbr rbs rda rdb rdd rdg rdr rds rdy rga rgb rgd rgg rgr rgs rra rrb rrd rrg rrr rrs rsa rsb rsd rsg rsr rss ry- rya ryd ryg ryr rys ryy saa sab sad sag sar sas say sba sbb sbd sbg sbr sbs sby sda sdb sdd sdg sdr sds sdy sga sgb sgd sgg sgr sgs sr- sra srb srd srg srr srs sry ss- ssa ssb ssd ssg ssr sss sy- sya syb syd syg syr sys yaa yab yad yag yar yas yay ybg ybr ybs yby yda ydg yds ydy yga yra yrg yrs ysa ysb ysg ysr yss ysy yyb yyg yys yyy