ufo[7], fei[6], beo[6], bio[6], obi[6], fes[6], fis[6], bei[5], bis[5], bus[5], oie[4], sou[4], uso[4], eis[3], sei[3], sie[3],
ob[5], bi[4], os[3], so[3], ei[2], es[2], si[2], ui[2],