How Many Such Words?

Score: 2000 from 0 goes

4 5 6 7 8 9 10	letters in word
. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z	. a b c d e f g h i j k l m n o p q r s t u v w x y z

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How many such words do you think there are?   (mismatch subtracted from your score ... try to stay positive for lots of goes)

Please list words found