1. A method for enabling input on a handheld electronic device having a display, the method comprising: detecting a plurality of input key selections as an initial portion of an ambiguous input; outputting at a first location on the display the initial portion of an ambiguous input; identifying a plurality of prefix objects corresponding to the initial portion of the ambiguous input, each of the plurality of prefix objects associated with an initial portion of a language object being a proposed textual interpretation of the ambiguous input; outputting at a second location on the display the plurality of prefix objects; and upon selection of a prefix object, outputting at the first location on the display the prefix object, wherein the outputted prefix object differs from the initial portion of the ambiguous input.