QOPPN
P Q R S T U V W
QOPON
1 Q R S T U V W X PO PP PQ
QOOXN
1 Q R S T U V W X PO PP PQ
QOOWN
P Q R S T U V W X PO PP PQ
QOOVN
P Q R S T U V W X PO PP PQ
QOOUN
PP PQ