27) Design the following DFA's (each one worth 2 marks) DFA to accept strings of a's and b's having even number of as and bs. DFA to accept strings of a's and b's starting with the string ab. DFA to accept string of O's and ls ending with the string 011. DFA to accept strings of O's, l's & 2's beginning with a 0 followed by odd number of l's and ending with a 2. DFA for the following language L = {Oml"|m> 0 and n>1)