efom[9], webo[6], ewom[5], mewo[5],
fob[9], efo[7], bom[6], mob[6], web[5], mew[4], ewo[3], owe[3],
ef[6], fe[6], be[4], bo[4], em[3], me[3], om[3], eo[2], ew[2], we[2],
