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Hittite ain't Indo-European. It's part of the Anatolian branch of the Indo-European family, but it's definitely not the original language, Proto-Indo-European. Also, "dog" is not an Indo-European word, but "hound" is. "Dog" appears to be aborrowing from the pre-Celtic British.
Also, Hittite lost several features that existed in Proto-Indo-European, and gave up many of its religious practices in favour of those of the people who lived in Central Turkey before them, the Hatti. Those people were non-Indo-European.
And Basque is a linguistic freak, like Ainu in Japan (and Japanese for that matter) to a lesser extent, even though they're not related. Basque is unrelated to any language on Earth in its vocabulary (except for borrowings). Indeed, the words for "hammer" and "knife" are very close to the word for "stone", "aitz". We got us a Stone-Age language here, Uncle Grampaw!
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