754s
654srk
554sr
454s
354srk
if4srk
hf4sr
gf4s
ff4srk
ef4sr
to3sr
so3s
ro3srk
qo3sr
po3s
4x2s
3x2srk
2x2sr
1x2s
0x2srk
f71srk
e71sr
d71s
c71srk
b71sr