Two Syllables
biro, ero, fierro, hero, hiro, liro, miro, nero, niro, pierro, piro, pirro, schiro, spiro, zero
Three Syllables
argiro, aufiero, carriero, deniro, dipiero, dipierro, dipirro, guerriero, oshiro, ramiro, ruggiero, sapiro, shapero, shapiro, subzero, tashiro, yoshiro
Four Syllables
casimiro, kaneshiro, masahiro, miyashiro, morihiro, moruhiro, santarsiero, shoichiro, tamashiro, tesoriero, yamashiro