Re: Accidentally sent btc to bsv address please help me
Or wait for @Heisenberg_Hunter's test if he can guess the correct path as he had successfully reproduced your issue.
I don't think its possible to extract the exact address after trying out various derivation paths from reddit topics and stack exchange replies. I guess they are changing the unique paths for a set of wallets they handle. I mailed them requesting for the unique custom derivation path to restore my $0.1 
We should probably wait until then. If I am able to get back mine, OP should try that derivation path as well. If that didn't work, we should try another way to help OP. Either way, I think the support team won't be helpful since they don't really know how wallets and private keys work. 
You should have written down or recorded the recovery phrase from the very beginning. Without that, your funds are pretty much gone.
Passphrases are accessible through the Abra wallet. Even if we don't have the passphrase, that can be recovered later.Menu -> Wallet Security -> View recovery phrase -> Show my phrase now
Can use electrumsv?
I am literally hesitant to recommend a scam wallet for a scam coin. But still you need the derivation paths to find the exact private key which has your bsv address.