The user selects {TAIL ~ a desired destination} from among {HEAD ~ the candidates}, whereby an e mail destination address is selected and called up 
The user selects { TAIL ~ a desired destination } from among { HEAD ~ the candidates } , whereby an e mail destination address is selected and called up
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH