pk1,pk2,pk3,content
a,h,a,a-h-a
a,h,b,a-h-b
a,h,c,a-h-c
a,h,d,a-h-d
a,h,e,a-h-e
a,h,f,a-h-f
a,h,g,a-h-g
a,h,h,a-h-h
a,h,i,a-h-i
a,h,j,a-h-j
a,h,k,a-h-k
a,h,l,a-h-l
a,h,m,a-h-m
a,h,n,a-h-n
a,h,o,a-h-o
a,h,p,a-h-p
a,h,q,a-h-q
a,h,r,a-h-r
a,h,s,a-h-s
a,h,t,a-h-t
a,h,u,a-h-u
a,h,v,a-h-v
a,h,w,a-h-w
a,h,x,a-h-x
a,h,y,a-h-y
a,h,z,a-h-z
b,h,a,b-h-a
b,h,b,b-h-b
b,h,c,b-h-c
b,h,d,b-h-d
b,h,e,b-h-e
b,h,f,b-h-f
b,h,g,b-h-g
b,h,h,b-h-h
b,h,i,b-h-i
b,h,j,b-h-j
b,h,k,b-h-k
b,h,l,b-h-l
b,h,m,b-h-m
b,h,n,b-h-n
b,h,o,b-h-o
b,h,p,b-h-p
b,h,q,b-h-q
b,h,r,b-h-r
b,h,s,b-h-s
b,h,t,b-h-t
b,h,u,b-h-u
b,h,v,b-h-v
b,h,w,b-h-w
b,h,x,b-h-x
b,h,y,b-h-y
b,h,z,b-h-z