nip4g oip4go pip4 qip4g rip4go
c9p4go d9p4 e9p4g f9p4go g9p4
1zq4 2zq4g 3zq4go 4zq4 5zq4g
qqr4g rqr4go sqr4 tqr4g uqr4go
fhs4go ghs4 hhs4g ihs4go jhs4