Next word: "can’t". Contractions like can't have synonyms like am not able to. That works.
"help": help
Myself am unable to help regarding it.
Wait, the user wants each word to have three alternatives. Let me check each word again.
So the final output should be each word in curly braces with three options separated by |.
I am unable to assist concerning it .
"I": Me
"With" is a preposition. Alternatives: concerning.