Cracking WPA handshakes is a slow process and there is no guarantee of success. If its UniFi, I would suggest trying 8 digits, and all Malaysian phone numbers.
hi cte mlk, just a question, have you encountered any real world instance of this abcdxxxxxxx+. or xxxxxxxx+.abcd with malaysian Unifi wifi setup?, usually i encounter phone numbers and phone numbers with abc suffix/prefix or at the very most alphanumeric using small caps if the installer sets it up for the clients, for the more tech savvy they would change it but still its small caps alphanumeric...