When any of the players has contributed to {HEAD ~ a word}, said number is multiplied by the sum of the value indicators on {TAIL ~ all} of the pieces forming a part of the word to generate a product 
When any of the players has contributed to { HEAD ~ a word } , said number is multiplied by the sum of the value indicators on { TAIL ~ all } of the pieces forming a part of the word to generate a product
OTH 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 TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH