There are two unscramble possibilities:
clasped
The letters ELEDRMA can also spell the word EMERALD.
The letters spell the word impede.
Those letters will spell dental.
You can spell node and done with those letters.
The letters spell the word calked. They also spell the word lacked.
docket
degown
clasped
The longest words are 5 letters: fetid and tepid.
113 words, easy
Some words that use the letters 'd u n e f o u' are:dendodueduneendeonfeudfoefondfonduefoundfunfundnonodnudeodeofononeundoundue