inio[4], insi[4], sini[4], nosi[4], osin[4], sino[4], ossi[4],
ino[3], oni[3], ono[3], osi[3], sio[3], soi[3], nos[3], son[3], oso[3], sos[3],
ii[2], in[2], ni[2], no[2], on[2], si[2], os[2],
