The reader might be forgiven for thinking that the subject of AEIOU(Y) words had been exhausted. There exists, however, at least one aspect of AEIOU(Y) which remains incomplete. There appears to have been no specific search for words in which the 5(6) vowels AEIOU(Y) occur as an unbroken group, in any order.
Word Ways: Vol. 38
, Article 14.
Available at: http://digitalcommons.butler.edu/wordways/vol38/iss3/14