1. Aacb
2. Acbc
3. Babb
4. Bcbb
Aacb
1. Acca
2. Caaa
3. Ccaa
4. Caac
Caaa
1. Acac
2. Babc
3. Abab
4. Aacc
Acac
1. Baaa
2. Bbaa
3. Bbbb
4. Bbba
Bbba
1. Cacb
2. Ccab
3. Cabc
4. Abcc
Cacb
1. Baac
2. Aabb
3. Caab
4. Aaab
Caab
1. Bbaa
2. Bbab
3. Aabb
4. Baba
Bbaa
1. Acbc
2. Baaa
3. Abcc
4. Ccaa
Ccaa
1. Baba
2. Babc
3. Abac
4. Cacb
Babc
1. Aabab
2. Ababa
3. Baaba
4. Bbaba
Aabab