{TAIL ~ The spell checker} employs a dictionary wherein each word of {HEAD ~ the dictionary} has a signature associated with the word to facilitate searching for substitute words 
{ TAIL ~ The spell checker } employs a dictionary wherein each word of { HEAD ~ the dictionary } has a signature associated with the word to facilitate searching for substitute words
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH