bidni[8], dingi[8],
bigi[8], bing[8], bind[7], gnid[7], pind[6],
big[7], gib[7], bid[6], gid[6], bin[5], ibn[5], gin[5], dip[5], dni[4], ind[4], nip[4], pin[4], pni[4],
bi[4], id[3], pi[3], ii[2], in[2], ni[2],
