Houling or Hauling: How To spell?

The word Houling is misspelled against Hauling, which is present continuous of "Haul"

Word contains consecutive vowels 'AU' in between alphabets h & ling is misspelled as 'OU'
Wrong Spelling: h-ou-ling
Correct Spelling: h-au-ling
Check more misspelled words of Hauling to spell it correct.