bitw[7], brwi[6], wint[5], sitw[5], wist[5],
bit[6], bin[5], ibn[5], bis[5], nit[4], itr[4], tir[4], tri[4], sit[4], inr[3], sir[3], niw[3], win[3], wir[3], siw[3], wis[3], wsi[3],
bi[4], ts[3], in[2], ni[2], si[2], iw[2],
