announcement
answer
background
block
business
clew
closeup
clue
code
communication
concept
cracked
cube
desk
dice
discover
discovery
find
frame
guide
handwriting
hint
hole
idea
information
investigate
investigation
look
mystery
note
paper
research
rip
ripped
rough
search
secrecy
secure
sheet
solution
split
success
teared
text
textured
tip
torn
uncover
uncovering
word