Crucigrama Irregular plurals F-FEVersión en línea Crossword in order to practice irregular plurals. por Álvaro Mandujano 1 Shelf 2 Thief 3 Wharf 4 Wharf 5 Scarf 6 Loaf 7 Half 8 Calf 9 Knife 10 Wife 11 Self 12 Life 13 Elf 14 Leaves 12 11 8 10 9 4 7 2 13 5