-ey a-a a-b a-i a-t aaa aab aad aae aag aai aat aay ab- aba abb abd abe abg abi abt aby ad- ada adb add ade adg adi adt ady aea aeb aed aee aeg aei aet aey ag- aga agb agd age agg agi agt agy ai- aia aib aid aie aig aii ait aiy at- ata atb atd ate atg ati att ay- aya ayd aye ayi ayt baa bab bad bae bag bai bat bay bba bbb bbd bbe bbg bbi bbt bby bda bdb bdd bde bdg bdi bdt bdy be- bea beb bed bee beg bei bet bey bga bgb bgd bge bgg bgi bgt bi- bia bib bid bie big bii bit biy bta btb btd bte btg bti btt bty by- bya byd bye byg byi byt daa dab dad dae dag dai dat day dba dbb dbd dbe dbg dbi dbt dby dda ddb ddd dde ddg ddi ddt ddy de- dea deb ded dee deg dei det dey dga dgd dge dgg dgi dgt di- dia dib did die dig dii dit diy dta dtb dtd dte dtg dti dtt dty dy- dya dyb dyd dye dyy eaa eab ead eae eag eai eat eba ebb ebd ebe ebg ebi ebt eby ed- eda edb edd ede edg edi edt edy eea eeb eed eee eeg eet eey ega egb egd ege egg egi egt egy eia eib eid eie eig eii eit eta etb etd ete etg eti ett ety eya eyd eye eyt g-d gaa gab gad gae gag gai gat gay gba gbd gbe gbg gbi gbt gby gda gdb gdd gde gdi gdt ge- gea geb ged gee geg gei get gey gga ggb ggd ggg ggi ggt gia gib gid gie gig gii git giy gta gtb gtd gte gtg gti gtt gty gy- gya gyb gyd gye i-d ia- iaa iab iad iae iag iai iat iba ibb ibd ibe ibg ibi ibt iby ida idb idd ide idg idi idt idy ie- iea ied iee ieg iei iet iey iga igb igd ige igg igi igt igy iia iib iid iie iii iit ita itb itd ite itg iti itt ity iya iye iyt iyy taa tab tad tae tag tai tat tay tba tbb tbd tbe tbg tbi tbt tda tdb tdd tde tdg tdi tdt tdy te- tea teb ted tee teg tei tet tey tga tgb tge tgg tgi tgt tgy tia tib tid tie tig tii tit tiy tta ttb ttd tte ttg tti ttt tty tya tyd tye tyg tyt yaa yab yad yae yag yai yat yay ybe ybg ybi yby yda yde ydg ydt ydy yea yeb yed yee yeg yei yet yey yga yid yie yig yii yit yta ytd yte ytt yyb yye yyg yyt yyy