1 Consider the crossword puzzle shown in the below figure Word list: add, ado, age, ago, aid, ail, aim, air, and, any ape, apt, arc, are, ark, arm, art, ash, ask, auk, awe, awl, aye, bad, bag, ban, bat, bee, boa, ear, eel, eft, far, fat, fit, lee, oaf, rat, tar, te. A2 ?? You must find six three-letter words: three words read across (Al, A2, and A3) from the list of forty possible words shown. Build a set of constraints for the above problem. ds read down (D1, D2