niby[7], bryi[7], rybi[7], birr[6], brwi[6], niwy[5], winy[5], wiry[5],
bry[6], ryb[6], bin[5], ibn[5], brr[5], yin[4], iwy[4], rwy[4], wyr[4], inr[3], niw[3], win[3], wir[3], wrr[3],
by[5], bi[4], ny[3], wy[3], in[2], ni[2], iw[2],
