asas[4], sasa[4], eses[4], owsa[4], sowa[4], sowo[4], ssaw[4],
asa[3], osa[3], oso[3], sas[3], sos[3], ewa[3], ewe[3], owa[3], ewo[3], owe[3], owo[3], swa[3], was[3], swe[3],
aa[2], ee[2], eo[2], as[2], es[2], se[2], os[2], ew[2], we[2],
