The word Imposibly is misspelled against Impossibly, an adverb meaning "Not possibly."
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Impossibly has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings impo & ibly which should not be misspelled with single 'S'
Wrong Spelling:  impo-s-ibly 
Correct Spelling:  impo-ss-ibly 
Find more incorrect spellings of Impossibly to spell right way.