bibo[8], obij[8], inij[6], boni[6], niob[6], joni[6], ibis[6], bios[6], bosi[6], snob[6], inii[4], inio[4], insi[4], sini[4], nosi[4], osin[4], sino[4],
bib[7], bij[7], bob[7], boj[7], job[7], bin[5], ibn[5], jin[5], boi[5], obi[5], bon[5], jon[5], bis[5], iii[3], ino[3], oni[3], osi[3], sio[3], soi[3], nos[3], son[3],
bi[4], bo[4], oj[4], ii[2], in[2], ni[2], no[2], on[2], si[2], os[2],
