The word Slubed is misspelled against Slubbed, which is past tense of "Slub"
-->
Slubbed has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Slu & ed which should not be misspelled with single 'B'
Wrong Spelling:  Slu-b-ed 
Correct Spelling:  Slu-bb-ed 
Check more misspelled words of Slubbed to spell it correct.