1. "I" – possible synonyms:Myself. Since "I" is a pronoun, maybe not necessary, but the user wants every word replaced with 3 variants. So maybe just synonyms here.

2. "can’t" – alternatives: Cannot|Am not able to|Can not. Or contractions like "Can't|Cannot|Am unable to".

First, "I" – probably doesn't need a variant since it's a pronoun. But maybe replace it with synonyms like "Me|I|Myself"? Wait, "I" is a pronoun; maybe the user just wants synonyms or different words entirely. But "I" is a single letter. Hmm. Then "can’t" – the contraction of "cannot". So alternatives like "Can't|Cannot|Am unable to"? That makes sense. "Help" could be "Assist|Aid|Support". The preposition "with" could be replaced with "Using|Through|By way of". Finally, "that" might become "this|that|those" or similar, but maybe "That|That thing|That action"?

Me am unable to support using those.