Bused or Bussed: How To spell?
The word Bused is misspelled against Bussed, which is past tense of "Buss"
Bussed has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings bu & ed which should not be misspelled with single 'S'
Wrong Spelling:  bu-s-ed  Correct Spelling:  bu-ss-ed 
Check more misspelled words of Bussed to spell it correct.