1 2 3 4 5 6 7 8 9 10 11
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