含有ear的单词：
early, earn, dear, hear, tear, bear, near, swear, earring, year, earphone, earth, earthquake, fear, gear, learn, pear,rear,search
含有eer的单词：
beer,deer,cheer,career,volunteer,neer,teer,geer
含有ch的单词：
cheers，chief ，childhood，choose，chimney，chemistry，cheque，chips，chew 太多了
含有sh的单词：
short shot shave sheet shit sharp 随便翻翻词典都能找出来！
亲，答题辛苦，帮忙点一下右上角【采纳回答】，~你的采纳是我前进的动力~
写个程序跑循环，单词直接发在线词典以判别是否存在？
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