bidy[8], bity[8], bitw[7], city[7], tyci[7], dity[7], diwy[6], widy[6], wity[6],
dyb[7], byt[7], bid[6], bit[6], cyt[6], dit[5], cyi[5], idy[5], wic[4], diw[4], wid[4], iwy[4],
by[5], bi[4], ty[4], ci[3], id[3], wy[3], iw[2],
