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