Liping or Lipping: How To spell?
The word Liping is misspelled against Lipping, which is present continuous of "Lip"
Lipping has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings li & ing which should not be misspelled with single 'P'
Wrong Spelling:  li-p-ing  Correct Spelling:  li-pp-ing 
Find more wrongly spelled words of Lipping to spell it well.