Description
In a given word, one can say that there exist a consonant cluster if there are two or more consonant letters in the word which do not have intervening vowels. On the other hand, a vowel cluster is a sequence of two or more vowel letters that come before, after, or between consonants.
A ConVo cluster is a sequence of two or more consonant and vowel clusters.
Your task is simple. You are to determine if a given set of words has a ConVo cluster.
Input Format
Input contains several lines. Each line contains a set of lowercase words.
Output Format
For each line of input, display the word YES if it has a ConVo cluster. Otherwise, display NO.
Constraint
Set of words will not exceed 100 characters.