def cvc(self, i):
        if (i < 2 or not self.cons(i) or self.cons(i-1) or not self.cons(i-2) or
                self.b[i] in 'wxy'):
            return False
        return True
True iff i-2,i-1,i is consonent-vowel consonant
dataset/ETHPy150Open jamesturk/jellyfish/jellyfish/porter.py/Stemmer.cvc