Buming or Bumming: How To spell?

The word Buming is misspelled against Bumming, which is present continuous of "Bum"

Bumming has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings bu & ing which should not be misspelled with single 'M'
Wrong Spelling: bu-m-ing
Correct Spelling: bu-mm-ing
Check more misspelled words of Bumming to spell it correct.