1TOK_AB|ab 2TOK_CD|cd 3TOK_AB|Ab 4TOK_CD|cD 5TOK_AB|AB 6TOK_CD|CD 7TOK_EFG|eFg 8TOK_EFG|EFG 9TOK_EFG|efg 10TOK_EFG|Efg 11TOK_HI|hi 12TOK_HI|HI 13TOK_HI|Hi 14TOK_HI|hI 15