post[6], psot[6], spot[6], stop[6], opon[5], pono[5], snop[5], opos[5], ospo[5], noto[5], tono[5], stoo[5],
pot[5], top[5], pst[5], osp[4], not[4], ton[4], oto[4], sto[4], ono[3], nos[3], son[3], oso[3],
op[3], po[3], ot[3], to[3], ts[3], no[2], on[2], os[2],
