bid[6], chi[6], ich[6], bit[6], hit[6], bin[5], ibn[5], dit[5], hiw[5], cni[4], nic[4], dni[4], ind[4], nit[4], wic[4], diw[4], wid[4], niw[3], win[3],
bi[4], hi[4], ci[3], id[3], in[2], ni[2], iw[2],