index = rand.Next(words.Length);
for (int i = 0; i < words.Length; i++)
index = rand.Next(words.Length);
index = rand.Next(words.Length);
words1[i] = words[index];
words1[i] = words[index];
if (i == index || words[index] == words1[i - 1])
if(i>1 && words[index] == words1[i - 2] )
while (i == index && words[index] == words1[i - 1] && words[index] == words1[i - 2])
index = rand.Next(words.Length);
words1[i] = words[index];
else if(i>2 && words[index] == words1[i - 3] )
while (i == index && words[index] == words1[i - 1] && words[index] == words1[i - 3])
index = rand.Next(words.Length);
words1[i] = words[index];
while (i == index && words[index] == words1[i - 1])
index = rand.Next(words.Length);
words1[i] = words[index];
words1[i] = words[index];