gen-passwd - a password generator
Usage: gen-passwd [--short] [--special] [--count INT] [--delimiter ARG]
[--acrostic ARG]
Print a wordlist-based password
Available options:
--short Use the EFF list of short words
--special Use the EFF list of special words
--count INT The number of passwords (default: 1)
--delimiter ARG The delimiter to use (default: " ")
--acrostic ARG The first letters of the words form this
word. (default: "")
-h,--help Show this help text
You can find a longer explanation of this technique in this EFF article, along with the word list used by this program.