Слова,a plate, a man, a sailor,a picture, a shild,a brige, a sail, a seaman, a desk, a box, a sea как они будут писаться во множественном числе?

a plate-plates
a man-men
a sailor-sailors
a picture=pictures
a child-children
a bridge-bridges
a sail- sails
a seaman-seamen
a desk-desks
a box-boxes
a sea -seas