1. A method of managing nametags, comprising the steps of: (a) receiving a command from a user to store a nametag; (b) prompting the user to input a number to be stored in association with the nametag; (c) receiving an input for the number from the user; (d) prompting the user to input the nametag to be stored in association with the number; (e) receiving an input for the nametag from the user; (f) processing the nametag input from step (e); and (g) determining confusability of the nametag input in multiple individual domains including a nametag domain, a number domain, and a command domain.