The only challenge this marvelous Oliver! look-see offers a dazed—make that, dazzled—reviewer is where to start piling on the encomia. Probably makes sense to start with the focal Charles Dickens figures, 9-year-old Oliver Twist (Benjamin Pajak), here described as 11, and the larcenous Fagin (Raúl Esparza). Because their performances enhance the revival equally, the only fair way to approach this is alphabetically.