-ey a-a a-b aaa aab aad aae aag aas aay ab- aba abb abd abe abg abs aby ad- ada adb add ade adg ads ady aea aeb aed aee aeg aes aey ag- aga agb agd age agg ags agy as- asa asb asd ase asg ass asy ay- aya ayd aye ays baa bab bad bae bag bas bay bba bbb bbd bbe bbg bbs bby bda bdb bdd bde bdg bds bdy be- bea beb bed bee beg bes bey bga bgb bgd bge bgg bgs bsa bsb bsd bse bsg bss bsy by- bya byd bye byg bys daa dab dad dae dag das day dba dbb dbd dbe dbg dbs dby dda ddb ddd dde ddg dds ddy de- dea deb ded dee deg des dey dga dgd dge dgg dgs dsa dsb dsd dse dsg dss dsy dy- dya dyb dyd dye dys dyy eaa eab ead eae eag eas eba ebb ebd ebe ebg ebs eby ed- eda edb edd ede edg eds edy eea eeb eed eee eeg ees eey ega egb egd ege egg egs egy es- esa esb esd ese esg ess esy eya eyd eye eys g-d gaa gab gad gae gag gas gay gba gbd gbe gbg gbs gby gda gdb gdd gde gds ge- gea geb ged gee geg ges gey gga ggb ggd ggg ggs gsa gsb gsd gse gsg gss gy- gya gyb gyd gye gys saa sab sad sae sag sas say sba sbb sbd sbe sbg sbs sby sda sdb sdd sde sdg sds sdy se- sea seb sed see seg ses sey sga sgb sgd sge sgg sgs ss- ssa ssb ssd sse ssg sss sy- sya syb syd sye syg sys yaa yab yad yae yag yas yay ybe ybg ybs yby yda yde ydg yds ydy yea yeb yed yee yeg yes yey yga ysa ysb yse ysg yss ysy yyb yye yyg yys yyy