The word Piping is misspelled against Pipping, which is present continuous of "Pip"
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Pipping has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings pi & ing which should not be misspelled with single 'P'
Wrong Spelling:  pi-p-ing 
Correct Spelling:  pi-pp-ing 
Find more wrongly spelled words of Pipping to spell it well.