a-a a-b a-t a-z aaa aab aae aaj aat aaz ab- aba abb abe abj abt abz aea aeb aee aej aet aez aja ajb aje ajj ajt at- ata atb ate att atz az- aza azb aze azt azz baa bab bae baj bat baz bba bbb bbe bbt be- bea beb bee bet bez bja bjj bjt bta btb bte btt btz bza bze bzz eaa eab eae eaj eat eaz eba ebb ebe ebj ebt eea eeb eee eet eja ejt eta etb ete etj ett etz eze ezz j-z jaa jab jae jaj jat jaz jba jbj jbt jbz jea jeb jee jej jet jez jja jjb jjj jta jtb jte jtt taa tab tae taj tat taz tba tbb tbe tbj tbt tbz te- tea teb tee tej tet tez tje tta ttb tte ttt tza tze zaa zab zaj zat zaz zbb zbt zea zeb zee zet zez zje zta zte zzt zzz