opono[6], ponor[6], porno[6], oporo[6], wrono[5],
opon[5], pono[5], poro[5], ropo[5], noro[4], nowo[4], wron[4],
por[4], pro[4], rop[4], ono[3], nor[3], oro[3], won[3], owo[3], rwo[3],
op[3], po[3], no[2], on[2], or[2], ro[2],
