tsfpn
ssfp
rsfpnm
qsfpn
psfp
41ep
31epnm
21epn
11ep
01epnm
fbepnm
ebepn
dbep
cbepnm
bbepn
qkdpn
pkdp
okdpnm
nkdpn
mkdp
1tcp
0tcpnm
ztcpn
ytcp
xtcpnm