Add 5x5 dice file

src/boggler/dice/5x5_big.csv

@@ -0,0 +1,27 @@
+# Listed alphabetically
+a,a,a,f,r,s
+a,a,e,e,e,e
+a,a,f,i,r,s
+a,d,e,n,n,n
+a,e,e,e,e,m
+a,e,e,g,m,u
+a,e,g,m,n,n
+a,f,i,r,s,y
+an,er,he,in,qu,th
+b,j,k,qu,x,z
+c,c,e,n,s,t
+c,e,i,i,l,t
+c,e,i,l,p,t
+c,e,i,p,s,t
+d,d,h,n,o,t
+d,h,h,l,n,o
+d,h,l,n,o,r
+d,l,o,h,h,r
+e,i,i,i,t,t
+e,m,o,t,t,t
+e,n,s,s,s,u
+f,i,p,r,s,y
+g,o,r,r,v,w
+i,k,l,qu,u,w
+n,o,o,t,u,w
+o,o,o,t,t,u