encryption – Partial Truecrypt password forgotten

I have an old USB drive encrypted with Truecrypt and can’t read my password writing. I can’t tell if it’s a capital or lower case letter and not sure if it’s a 0 or an o, a t or a + on about 7 spaces. I have basic computer knowledge and would really appreciate your help. Sounds like I need a password generator to put together a word list. I’m not sure what would be a good generator where it could be told in this space it’s either a z or a Z and this space it’s either a t or a + etc. Any advise on how to later implement the wordlist would be greatly appreciated. I don’t understand the commands I’ve seen people write to get the computer to run a command (not sure if that is correct). Thank you!