-ey a-a a-c aaa aac aae aaj aay ac- aca acc ace acj acy aea aec aee aej aey aja ajc aje ajj ajy ay- aya ayc aye c-- c-j caa cac cae caj cay cca ccc cce ccj ce- cea cec cee cej cey cja cjc cya cyc cye eaa eac eae eaj ec- eca ecc ece ecj eea eec eee eey eja ejc eya eyc eye jaa jac jae jaj jay jca jcc jce jea jec jee jej jey jja jjc jjj jjy jyj yaa yac yae yay yca ycc yce ycy yea yec yee yey yyc yye yyy