char vowel[] = "aeyuioAEYUIO";
    int vowelLength = strlen(vowel);
    count = 0;
    int neededWord = 0;  // bool variable that shows if the word has two vowels in a row
    int startIndx = -1;  // stores an index of first letter of a word
    int wordStarted = 0; // bool variable to indicate if startIndx stores an indx
    for (int i = 0; i < size; i++)
    {
        if (isalpha(buffer[i]))
        {
            for (int j = 0; j < vowelLength; j++)
            {
                if (buffer[i] == vowel[j])
                {
                    for (int j = 0; j < vowelLength; j++)
                    {
                        if (buffer[i + 1] == vowel[j])
                        {
                            neededWord = 1;
                            count++;
                            break;
                        }
                    }
                    break;
                }
            }
        }
        else
        {
            // if char isn't alphabetical - then check next char
            // if next char is alphabetical - it's the beginning of a word
            int justStarted = 0;
            if (isalpha(buffer[i + 1]))
            {
                // change bool var and assign index of 1st letter of a word
                // to specialized var
                if (wordStarted == 0)
                {
                    justStarted = 1;
                    wordStarted = 1;
                    startIndx = i + 1;
                }
            }
            if (wordStarted == 1 && !justStarted)
            {
                // wordStarted == 1 means that we already have an index of
                // the beginning of a word. And the end of the word is current i.
                // we change back bool variable to 0 & print found word

                wordStarted = 0;
                if (neededWord == 1)
                {
                    for (int k = startIndx; k < i; k++){
                        printf("%c", buffer[k]);
                    }
                    printf(", ");
                    neededWord = 0;
                }
            }
        }
    }
    printf("\nNumber of words: %i.\n", count);