There is strength in length. Each additional character increases the difficulty exponentially. Ever wonder why they allow maximum password lengths of 20 to 24 characters?
Start with a length of 10 to 12. Build longer passwords based on a series of three character sets.
cbs three lower case letters
247 three numerals
MTC three upper case letters
@#$ three special characters
“cbs 247 MTC @#$” becomes a 12 character password. Repeat the structure to add 12 more characters resulting in a gigantic 24-character password!
yuk 916 DLQ *&%