26. One or more computing devices as recited in claim 22 , the one or more computer-readable media further storing computer-executable instructions that, when executed, cause the one or more processors to perform acts comprising ranking the second set of phrases according to a mutual information score for individual phrases of the second set of phrases, and wherein the generating the personalized user interface including the at least the portion of the second set of phrases comprises selecting individual phrases of the second set of phrases to be presented at least in part based on the ranking.
22. One or more computing devices comprising: one or more processors; and one or more computer-readable media storing computer-executable instructions that, when executed, cause the one or more processors to perform acts comprising: identifying a first set of phrases that exist within a corpus of text, individual ones of the first set of phrases including a substitute word that replaces one word of a source phrase comprising multiple words; generating a second set of phrases by combining substitute words from the first set of phrases with one another, the second set of phrases individually including multiple substitute words from the first set of phrases; generating a personalized user interface including at least a portion of the second set of phrases and at least one rule selector associated with a corresponding rule for using the at least the portion of the second set of phrases; and receiving a user selection of the at least the portion of the second set of phrases and the at least one rule selector associated with the corresponding rule for using the at least the portion of the second set of phrases.