In another sense, {HEAD ~ the invention} relates to {TAIL ~ a method} of playing a word building game 
In another sense , { HEAD ~ the invention } relates to { TAIL ~ a method } of playing a word building game
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH