ABCD
ABCd
ABDC
ABDc
ABcD
ABcd
ABdC
ABdc
ACBD
ACBd
ACDB
ACDb
ACbD
ACbd
ACdB
ACdb
ADBC
ADBc
ADCB
ADCb
ADbC
ADbc
ADcB
ADcb
AbCD
AbCd
AbDC
AbDc
AbcD
Abcd
AbdC
Abdc
AcBD
AcBd
AcDB
AcDb
AcbD
Acbd
AcdB
Acdb
AdBC
AdBc
AdCB
AdCb
AdbC
Adbc
AdcB
Adcb
BACD
BACd
BADC
BADc
BAcD
BAcd
BAdC
BAdc
BCAD
BCAd
BCDA
BCDa
BCaD
BCad
BCdA
BCda
BDAC
BDAc
BDCA
BDCa
BDaC
BDac
BDcA
BDca
BaCD
BaCd
BaDC
BaDc
BacD
Bacd
BadC
Badc
BcAD
BcAd
BcDA
BcDa
BcaD
Bcad
BcdA
Bcda
BdAC
BdAc
BdCA
BdCa
BdaC
Bdac
BdcA
Bdca
CABD
CABd
CADB
CADb
CAbD
CAbd
CAdB
CAdb
CBAD
CBAd
CBDA
CBDa
CBaD
CBad
CBdA
CBda
CDAB
CDAb
CDBA
CDBa
CDaB
CDab
CDbA
CDba
CaBD
CaBd
CaDB
CaDb
CabD
Cabd
CadB
Cadb
CbAD
CbAd
CbDA
CbDa
CbaD
Cbad
CbdA
Cbda
CdAB
CdAb
CdBA
CdBa
CdaB
Cdab
CdbA
Cdba
DABC
DABc
DACB
DACb
DAbC
DAbc
DAcB
DAcb
DBAC
DBAc
DBCA
DBCa
DBaC
DBac
DBcA
DBca
DCAB
DCAb
DCBA
DCBa
DCaB
DCab
DCbA
DCba
DaBC
DaBc
DaCB
DaCb
DabC
Dabc
DacB
Dacb
DbAC
DbAc
DbCA
DbCa
DbaC
Dbac
DbcA
Dbca
DcAB
DcAb
DcBA
DcBa
DcaB
Dcab
DcbA
Dcba
aBCD
aBCd
aBDC
aBDc
aBcD
aBcd
aBdC
aBdc
aCBD
aCBd
aCDB
aCDb
aCbD
aCbd
aCdB
aCdb
aDBC
aDBc
aDCB
aDCb
aDbC
aDbc
aDcB
aDcb
abCD
abCd
abDC
abDc
abcD
abcd
abdC
abdc
acBD
acBd
acDB
acDb
acbD
acbd
acdB
acdb
adBC
adBc
adCB
adCb
adbC
adbc
adcB
adcb
bACD
bACd
bADC
bADc
bAcD
bAcd
bAdC
bAdc
bCAD
bCAd
bCDA
bCDa
bCaD
bCad
bCdA
bCda
bDAC
bDAc
bDCA
bDCa
bDaC
bDac
bDcA
bDca
baCD
baCd
baDC
baDc
bacD
bacd
badC
badc
bcAD
bcAd
bcDA
bcDa
bcaD
bcad
bcdA
bcda
bdAC
bdAc
bdCA
bdCa
bdaC
bdac
bdcA
bdca
cABD
cABd
cADB
cADb
cAbD
cAbd
cAdB
cAdb
cBAD
cBAd
cBDA
cBDa
cBaD
cBad
cBdA
cBda
cDAB
cDAb
cDBA
cDBa
cDaB
cDab
cDbA
cDba
caBD
caBd
caDB
caDb
cabD
cabd
cadB
cadb
cbAD
cbAd
cbDA
cbDa
cbaD
cbad
cbdA
cbda
cdAB
cdAb
cdBA
cdBa
cdaB
cdab
cdbA
cdba
dABC
dABc
dACB
dACb
dAbC
dAbc
dAcB
dAcb
dBAC
dBAc
dBCA
dBCa
dBaC
dBac
dBcA
dBca
dCAB
dCAb
dCBA
dCBa
dCaB
dCab
dCbA
dCba
daBC
daBc
daCB
daCb
dabC
dabc
dacB
dacb
dbAC
dbAc
dbCA
dbCa
dbaC
dbac
dbcA
dbca
dcAB
dcAb
dcBA
dcBa
dcaB
dcab
dcbA
dcba
