1-10
bedcb   dcaba

11-20
ebaad   a?dba

21-30
bdbcc   adcba

31-40
cadbb   bcedd(37我抄b跟c，不知有沒有抄錯= = )

41-50
abadb   adbcc

51-60
adbbc   bacda

61-70
bcdcb   bbaca

71-80
accdd   dabde

81-90
bacaa   baabd

91-100
cecbb   cdbcc