pony[6], pory[6], pyro[6], ropy[6], nony[5], nory[5], orny[5], norn[4],
opy[5], pyr[5], ryp[5], por[4], pro[4], rop[4], non[3], nor[3],
op[3], po[3], ny[3], no[2], on[2], or[2], ro[2],
