I am looking for a wallet generator with which I can not only get a private key but also the 12 or 24 words and ideally bip39 function. I want to search addresses similar to Vanitygen but so that I can use the 12 words in a mobile wallet or on the pc and have full access. Is there anything like this?
You may use the stand-alone offline
BIP-39 generator but vanity address you want, more likely, will lurk in derivation paths. Thus, it will take time for finding them manually via search.
However the script of this generator is open source and you can modify it a bit by including parser to find the vanity-alike addresses in automated way.