c7:  t z tuvwxyz tuvwxyz uvw xyz tuvw
wrs: t z tuvwxyz tuvwxyz uvw xyz tuvw
wr0: t z tuvwxyz tuvwxyz uvw xyz tuvw
wr1: t z tuvwxyz tuvwxyz uvw xyz tuvw
wr2: t z tuvwxyz tuvwxyz uvw xyz tuvw

s9:  a g abcdefg abcdefg bcd efg abcd
wrs: a g abcdefg abcdefg bcd efg abcd
wr0: a g abcdefg abcdefg bcd efg abcd
wr1: a g abcdefg abcdefg bcd efg abcd
wr2: a g abcdefg abcdefg bcd efg abcd

lit: k q klmnopq ...
wrs: k q klmnopq klmnopq lmn opq klmn
wr0: k q klmnopq klmnopq lmn opq klmn
wr1: k q klmnopq klmnopq lmn opq klmn
wr2: k q klmnopq klmnopq lmn opq klmn