The time for my WPA2 Password cracking increased a lot after secifying chrset

[Snoopy]

for this kind of attack you have to put a little afford beforehand, there is no builtin or easy way to achieve this

first prepare a wordlist with the words you remember
second generate a second wordlist from that with 1-x Chars (with suitable charset) PREPENDED to that words third generate a third wordlist (with the first one) witt 1-x Chars APPENDED to thats words
merge list 2 and 3 feed this list and some rules to hascat,

you can use hahscat utils for the steps obove