For the DFA given below compute the following:

• A. Union of all possible combinations at state 7,8 and 9.
• B. {aba, ac, cc, ca, cb, bc, bab, ca}
• C. {bab, bc, ac, aba, ca, aac, ccb}
• D. {cc, ca, cb, aba, bab, ac}
• E. {aba, ac, cc, ca, cb, bc, bab, caa}