bpont cpontu dpon epont fpontu
0fpntu 1fpn 2fpnt 3fpntu 4fpn
p6pn q6pnt r6pntu s6pn t6pnt
exqnt fxqntu gxqn hxqnt ixqntu
3nrntu 4nrn 5nrnt 6nrntu 7nrn