The word Sleded is misspelled against Sledded, which is past tense of "Sled"
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Sledded has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Sle & ed which should not be misspelled with single 'D'
Wrong Spelling:  Sle-d-ed 
Correct Spelling:  Sle-dd-ed 
Explore spell check of Sledded to spell without errors.