updated for version 7.4.599 Problem: Out-of-memory error. Solution: Avoid trying to allocate a negative amount of memory, use size_t instead of int. (Dominique Pelle)

1 a aa abb abbcc
2 d dd dee deeff
3 g gg ghh ghhii
4 j jj jkk jkkll
5 m mm mnn mnnoo
6 x aa$ x
7 (a)(b) abba
8 axx ab]xx
9 foobar
9 foo