a-a a-b a-c a-t aaa aab aac aae aaj aat ab- aba abb abc abe abj abt ac- aca acb acc ace acj act aea aeb aec aee aej aet aja ajb ajc aje ajj ajt at- ata atb atc ate att baa bab bac bae baj bat bba bbb bbc bbe bbt bca bcb bcc bce bcj bct be- bea beb bec bee bet bja bjc bjj bjt bta btb btc bte btt c-- c-j caa cab cac cae caj cat cba cbb cbc cbe cbj cbt cca ccb ccc cce ccj cct ce- cea ceb cec cee cej cet cja cjb cjc cta ctb ctc cte ctt eaa eab eac eae eaj eat eba ebb ebc ebe ebj ebt ec- eca ecb ecc ece ecj ect eea eeb eec eee eet eja ejc ejt eta etb etc ete etj ett jaa jab jac jae jaj jat jba jbc jbj jbt jca jcb jcc jce jct jea jeb jec jee jej jet jja jjb jjc jjj jta jtb jtc jte jtt taa tab tac tae taj tat tba tbb tbc tbe tbj tbt tca tcb tcc tce tcj tct te- tea teb tec tee tej tet tjc tje tta ttb ttc tte ttt