Look for the most common letters - e, t, s, a
Look for single letter words ('I' in capitals and 'a') - though a modern text
message may include 'c u l8tr'
Look for two letter words such as 'it', 'is', 'in', 'at', 'as', 'on', 'to', etc.
Look for common words such as 'the' and 'and'
Look for pairs of letters which might be 'ee', 'ss', 'tt', 'oo', etc.
Use this knowledge to decrypt the following:
1. Up cf ps opu up cf, uibu jt uif rvftujpo
2. Klfnrub Glfnrub Grfn Wkh prxvh udq xs wkh forfn
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