a-a a-c aaa aac aae aah aaj ac- aca acc ace ach acj aea aec aee aeh aej aha ahc ahe ahh ahj aja ajc aje ajh ajj c-- c-j caa cac cae cah caj cca ccc cce cch ccj ce- cea cec cee ceh cej ch- cha chc che chh cja cjc eaa eac eae eah eaj ec- eca ecc ece ech ecj eea eec eee eha ehc ehe ehh eja ejc haa hac hae hah haj hca hcc hce hch hcj he- hea hec hee heh hej hha hhc hhe hhh hhj hja jaa jac jae jah jaj jca jcc jce jch jea jec jee jeh jej jha jhc jhe jhj jja jjc jjj