-er -ey a-a a-b aaa aab aae aag aaj aar aay ab- aba abb abe abg abj abr aby aea aeb aee aeg aej aer aey ag- aga agb age agg agj agr agy aja ajb aje ajj ajr ajy ar- ara arb are arg arj arr ary ay- aya aye ayr baa bab bae bag baj bar bay bba bbb bbe bbg bbr bby be- bea beb bee beg ber bey bga bgb bge bgg bgr bja bjg bjj bjr bra brb bre brg brj brr bry by- bya bye byg byj byr eaa eab eae eag eaj ear eba ebb ebe ebg ebj ebr eby eea eeb eee eeg eer eey ega egb ege egg egr egy eja era erb ere erg err ery eya eye eyr gaa gab gae gag gaj gar gay gba gbe gbg gbj gbr gby ge- gea geb gee geg ger gey gga ggb ggg ggj ggr gja gje gjg gjr gra grb gre grg grj grr gry gy- gya gyb gye gyr jaa jab jae jag jaj jar jay jba jbg jbj jbr jea jeb jee jeg jej jer jey jga jgb jge jgr jja jjb jjg jjj jjr jjy jra jrb jrg jrr jyj jyr ra- raa rab rae rag raj rar ray rba rbb rbe rbg rbr re- rea reb ree reg rer rey rga rgb rge rgg rgr rja rjg rjr rra rrb rrg rrr ry- rya rye ryg ryr ryy yaa yab yae yag yar yay ybe ybg ybr yby yea yeb yee yeg yer yey yga yra yre yrg yyb yye yyg yyy