Wordnik.com: Every vowel http://www.wordnik.com/lists/every-vowel.xml Words that use aeiou but only once. http://www.wordnik.com delusional http://www.wordnik.com/words/delusional Wed, 25 Jul 2007 14:44:35 +0000 http://www.wordnik.com/words/delusional precarious http://www.wordnik.com/words/precarious Wed, 25 Jul 2007 14:37:54 +0000 http://www.wordnik.com/words/precarious nefarious http://www.wordnik.com/words/nefarious Wed, 25 Jul 2007 14:37:47 +0000 http://www.wordnik.com/words/nefarious