WORLD’S SMALLEST, HARDEST CROSSWORD

ACROSS 1. In pain (4) 5. Papua New Guinea currency (4) 6. Triplet by birth (4) 7. Irritating idiot (sl) (4) DOWN 1. Envelope notation (abbr) (4) 2. Nuclear reactor part (4) 3. Successor (4) 4. Pull sharply (inf) (4) Yesterday’s solution. ACROSS: 1 Axis. 4 Mu. 5 Zl. 6 Hawk DOWN: 1 Amah. 2 Xu. 3 Sulk. 5 ZW