The word Heming is misspelled against Hemming, which is present continuous of "Hem"
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Hemming has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings he & ing which should not be misspelled with single 'M'
Wrong Spelling:  he-m-ing 
Correct Spelling:  he-mm-ing 
Find more wrongly spelled words of Hemming to spell it well.