Give regular expressions for the following languages:

(a) {w {0, 1} |w ends with either 110 or 01}

(b) {w {0, 1} |w starts with a 1 and has even length}

(c) {w {0, 1} |w has length at least 3 and the third symbol from the right in w is a 1}.

(d) {w {0, 1} |w does not end with 110 and does not end with 01}.