HO*PEE
HO*EEE
H*PEE
HH*OPE
HH*PEE
HO*OPE
HO*PPE
HO*PE*
HP*EEE
HP*PEE
H*HPE
H*PPE
*HOP
HH*EEE
H*EEE
HH*HPE
HH*PPE
HP*PPE