bind[6], biss[6], bist[6], bits[6], sind[4], diss[4], niss[4], nist[4], isst[4],
bin[5], bis[5], bit[5], bst[5], nid[3], dis[3], ins[3], iss[3], ist[3],
bi[4], in[2], si[2], ti[2], st[2],
