Add plurals for slurs

src/groups/calls/lists/casual-insults-and-teasing.txt

@@ -10,4 +10,6 @@ sybau
 gtfo
 // Keys is only censored because there have been many genuine conversations about piano keys, keys,
 // and other stuff. 
-keys
+keys
+// Many people not knowing paki is a slur, it's better to keep it here.
+paki

src/groups/calls/lists/hate-speech-and-slurs.txt

@@ -1,38 +1,60 @@
 niga
+nigas
 niger
+nigers
 nig
+nigs
 nga
+ngas
 ngr
+ngrs
 nger
+ngers
 qiga
+qigas
 niqa
+niqas
 nqa
+nqas
 nlger
+nlgers
 ngiga
-digga
+ngigas
+diga
+digas
 fag
+fags
 fagot
+fagots
 fgot
+fgots
 fgt
-paki
+fgts
 retard
+retards
 rtrd
+rtrds
 tard
+tards
 dumbfuck
+dumbfucks
 dumbfck
+dumbfcks
 dumbfuk
+dumbfuks
 dumbfuh
+dumbfuhs
 dumbfuhk
+dumbfuhks
 dmbfuck
+dmbfucks
 dmbfck
+dmbfcks
 dmbfuk
+dmbfuks
 dmbfuh
+dmbfuhs
 dmbfuhk
-dumb fuck
-dumb fck
-dumb fuk
-dumb fuh
-dumb fuhk
 shut the fvck up
 shut the fck up
 shut the fuck up
@@ -46,5 +68,8 @@ get the fvck out
 get the fck out
 get tfo
 blackie
+blackies
 motherfucker
-chinese ape
+motherfuckers
+chinese ape
+chinese apes