ford[9], orfo[8], ooid[5], dior[5], odro[5], ordo[5],
for[7], orf[7], doi[4], ido[4], odo[4], odr[4], ord[4], rod[4], roi[3], oro[3],
fi[6], id[3], do[3], od[3], ii[2], or[2], ro[2],
