For example, if {HEAD ~ the text} currently in the Search Box 101 is “pizz” and the user enters the character “a”, the text in the Search Box 101 will become “pizza”, which is {TAIL ~ a valid word} 
For example , if { HEAD ~ the text } currently in the Search Box 101 is “ pizz ” and the user enters the character “ a ” , the text in the Search Box 101 will become “ pizza ” , which is { TAIL ~ a valid word }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL