boye[7], weby[7], obie[6], webo[6],
boy[6], oby[6], boi[5], obi[5], web[5], ewy[4], iwy[4], wie[3], ewo[3], owe[3], iwo[3], owi[3], wio[3],
by[5], be[4], bi[4], bo[4], wy[3], eo[2], ew[2], we[2], iw[2],
