1-10
bbbdd   dbbbb

11-20
bddca   ccabd

21-30
bcbda   acccb

31-40
bdaab   acdxc

41-50
bcaba   ddabd

51-60
adcec   deaae

61-70
dccee   dcdab

71-80
eabcc   badea

81-90
xxadb   deabc

91-100
bbexc   dbbec