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well you have to realize that not every English word does have an ASL equivalent-- just like there is no Spanish word for "you are welcome" but only "de nada" which literally means "for nothing"... hope you understand what I am saying?? There are TRANSLATION, but no direct translation for many words in English with its unnecessary abundances of words that has SAME meaning. (Pretty, Beautiful, Stunning, yadayada)
If you really want an ASL sign, I think the best way to sign "jellybean" is "CANDY + BEANS" that if you do know the signs for both.
