niby[7], niwy[5], winy[5], inii[4], iwin[4], wini[4],
bin[5], ibn[5], yin[4], iwy[4], iii[3], wii[3], niw[3], win[3],
by[5], bi[4], ny[3], wy[3], ii[2], in[2], ni[2], iw[2],
