This is generally not related to the hash-type. It works for all of them. You just need to understand how to write masks. If you partially know strings from the password read this article:
FAQ: I have a half-known password. I know the first 4 letters, can oclHashcat get the rest of the password?
FAQ: I have a half-known password. I know the first 4 letters, can oclHashcat get the rest of the password?