Update dice files

dice/4x4_classic.csv

@@ -0,0 +1,17 @@
+# Listed alphabetically
+a,a,c,i,o,t
+a,b,i,l,t,y
+a,b,j,m,o,qu
+a,c,d,e,m,p
+a,c,e,l,r,s
+a,d,e,n,v,z
+a,h,m,o,r,s
+b,i,f,o,r,x
+d,e,n,o,s,w
+d,k,n,o,t,u
+e,e,f,h,i,y
+e,g,k,l,u,y
+e,g,i,n,t,v
+e,h,i,n,p,s
+e,l,p,s,t,u
+g,i,l,r,u,w