P219 CEEFAX 219 Tue 22 Jul 21:21/11         These words   are linked -   the end of UPWIND   the first is WINDOW   the start of   the second OWLET   and so on. LETDOWN     Two pairs of DOWNWIND   words are WINDROn   missing.   What are NW NBF   they? LOCKNUT     Press REVEAL NUTTER   to find out   ANOTHER WORD COLUMN NEXT WEEK