nepy[6], peny[6], pony[6], open[5], peon[5], poen[5], eony[5], nony[5], neon[4],
opy[5], nep[4], pen[4], eon[3], one[3], non[3],
pe[3], op[3], po[3], ny[3], en[2], eo[2], no[2], on[2],
