Is it possible to brute force (RAR, SSH, FTP) without using a dictionary?

Question

brute force

Is there such software for password selection (WPA2, SSH, FTP) that does not use a dictionary, but selects it by itself according to a given number of characters?
PS I know that there are hydra and similar programs, but they use a dictionary.

Answer 1

there is, but it's much longer from a probabilistic point of view

Answer 2

https://ru.wikipedia.org/wiki/John_the_Ripper

John The Ripper performs dictionary attack, brute force attack and hybrid attack mode.

there:

Program analogues are: Hashcat, SAMInside, L0phtCrack 6, ophcrack, PasswordsPro, Cain/Abel