fob[9], efa[7], efo[7], abo[5], boa[5], oba[5], baw[5], wab[5], web[5], ewa[3], owa[3], ewo[3], owe[3],
fa[6], ef[6], fe[6], ba[4], be[4], bo[4], eo[2], ew[2], we[2],
