a-a a-b aaa aab aad aae aaj ab- aba abb abd abe abj ad- ada adb add ade adj aea aeb aed aee aej aja ajb ajd aje ajj baa bab bad bae baj bba bbb bbd bbe bda bdb bdd bde bdj be- bea beb bed bee bja bjd bjj daa dab dad dae daj dba dbb dbd dbe dda ddb ddd dde de- dea deb ded dee dej dj- dja djb djd dje eaa eab ead eae eaj eba ebb ebd ebe ebj ed- eda edb edd ede edj eea eeb eed eee eja ejd j-d jaa jab jad jae jaj jba jbj jda jdb jde jea jeb jed jee jej jja jjb jjj