Can someone check my answer for this question (Computer Theory question)

timer Asked: May 7th, 2013

Question description

The alphabet in this question is Σ = {a b}.
(a) A string is called a palindrome if it is the same when read from left to right as it is when read from right to left. For example, abaaba, babab and Λ are palindromes whereas abab is not. Let L be the language of all palindromes.
(i) Name the first five words in L in lexicographic order.

So my answer to this will b L1={ transition, a, aa, ba, aaa, aab, aba, abb}

is this correct? if not please explain me the correct answer. thanks

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