aaabbccdd [rev]
aababaccd [rev]
aababbccd [rev]
aababccdd [rev]
aabbaccdd [rev]
aabbbccdd [rev]
aabbcbcbd [rev]
aabbcbccd [rev]
aabbcbcdd [rev]
aabbccadd [rev]
aabbccbdd [rev]
aabbccdcd [rev]
aabbccdda [rev]
aabbccddb [rev]
aabbccddc [rev]
aabbcdcdc [rev]
aabcbcbbd [rev]
aabcbcbdd [pal]
ababaaccd [rev]

Number of Distinct Characters: 4
String Length: 9
Maximum Number of Squares: 4
Number of Unique Strings: 19 (not including reversible twins)