fici[10], ufos[8], obis[7], sufi[7], obus[7], ibis[6],
ufo[7], bio[6], obi[6], cis[6], sic[6], fis[6], bis[5], bus[5], sou[4], uso[4],
ob[5], bi[4], os[3], so[3], si[2], ui[2],
