bitw[7], ibis[6], sitw[5], wist[5], witz[5], siwi[4], wisi[4], zwis[4],
bit[6], bis[5], biz[5], izb[5], sit[4], iii[3], wii[3], siw[3], wis[3], wsi[3], zis[3], wiz[3],
bi[4], ts[3], ii[2], si[2], iw[2],
