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