oper[8], pore[8], paar[7], para[7], aper[7], apre[7], aare[4],
opa[7], epo[7], pro[7], par[6], rap[6], per[6], rep[6], aar[3], ara[3], are[3],
po[6], aa[2], ar[2], er[2], re[2],
