跟这五个元音组合在一起的发音字根有,
Aa: at, am, ap, ad, an, all, ack,ank
Ee:en,et,ed,eg,ell,
li: ip, ig, in, it, ick, id, ink, ing, ill
Oo:og, op,od, ock
Uu:ut, ub,ug, un, ung, uck
跟这五个元音组合在一起的发音字根有,
Aa: at, am, ap, ad, an, all, ack,ank
Ee:en,et,ed,eg,ell,
li: ip, ig, in, it, ick, id, ink, ing, ill
Oo:og, op,od, ock
Uu:ut, ub,ug, un, ung, uck