Vialing or Vialling: How To spell?

The word Vialing is misspelled against Vialling, which is present continuous of "Vial"

Vialling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings via & ing which should not be misspelled with single 'L'
Wrong Spelling:  via-l-ing 
Correct Spelling:  via-ll-ing 
Find more wrongly spelled words of Vialling to spell it well.