按划线部分发音,将下列单词归类
ruler（u） begin(i) autumn(au) eleven(e) dirty(ir) glue(ue) square(are) her(er) foggy(o) careful(are) fill(i) model(o) turtle(ur) full(u) piece(ie) wear(ear) peel(ee) cookie(oo) tomorrow(or) whose(o) wolf(o) shorts(or) police(i) always(a)
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