efów[12], foby[11], boye[7], weby[7], webo[6],
fob[9], efy[8], efo[7], boy[6], oby[6], web[5], ewy[4], ewo[3], owe[3],
ef[6], fe[6], ów[6], by[5], be[4], bo[4], wy[3], eo[2], ew[2], we[2],
