cat-_at-_at-_at-_at-_ _at ate-_ate-_ate-_ate-_ _ ate noon-_oon-_oon-_ _oon an-_an-_an-an_-an_-_an_
问题描述：
cat-_at-_at-_at-_at-_ _at ate-_ate-_ate-_ate-_ _ ate noon-_oon-_oon-_ _oon an-_an-_an-an_-an_-_an_
cat-_at-_at-_at-_at-_ _at
ate-_ate-_ate-_ate-_ _ ate
noon-_oon-_oon-_ _ oon
an-_an-_an-an_-an_-_an_
答
cat - bat - fat - hat - pat - that
ate - date - fate - hate - plate
noon - moon - soon - spoon
an - ban - can - and - ant - hand