Peping or Peeping: How To spell?
The word Peping is misspelled against Peeping, which is present continuous of "Peep"
Peeping has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings P & ping which should not be misspelled with single 'E'
Wrong Spelling:  P-e-ping  Correct Spelling:  P-ee-ping 
Find more wrongly spelled words of Peeping to spell it well.