16. One or more computer-readable media storing computer-executable instructions that, when executed by a computing device, cause the computing device to: correlate a first set of values with characters of a word, each value of the first set of values being a different value and being associated with a single character of the characters; display modification options for a particular character of the word in response to a selection of a value of the first set of values that corresponds to the particular character, each of the modification options being associated with a value of a second set of values and including a character modification that can modify the particular character in response to a selection of a respective value of the second set of values; receive an indication of a selection of a particular value of the second set of values; and modify the particular character based on one of the modification options that corresponds to the particular value.
18. The one or more computer-readable media of claim 16 , wherein the computer-executable instructions, when executed by the computing device, further cause the computing device to receive the indication of the selection of the particular value via audio input to the computing device.